I've solved the problem by counting the array from 0-9, turned out i have mistaken 4 with 3530, and 5 with 3270.
Here the code that i've altered after a while: -
if(ThermResist >= Table[4][1] && ThermResist <= Table[3][1] )
{
Serial.print(Table[4][0]);
Serial.println(" C");
}
And here is the output that i am quite happy on (between 3800 && 3530): -
Value = 738.00 Voltage = 3.61 V Resistance = 3856.56 Ohm
Value = 739.00 Voltage = 3.61 V Resistance = 3837.84 Ohm
Value = 741.00 Voltage = 3.62 V Resistance = 3800.54 Ohm
Value = 741.00 Voltage = 3.62 V Resistance = 3800.54 Ohm
Value = 741.00 Voltage = 3.62 V Resistance = 3800.54 Ohm
Value = 743.00 Voltage = 3.63 V Resistance = 3763.44 Ohm
29 C
Value = 741.00 Voltage = 3.62 V Resistance = 3800.54 Ohm
Value = 743.00 Voltage = 3.63 V Resistance = 3763.44 Ohm
29 C
Value = 743.00 Voltage = 3.63 V Resistance = 3763.44 Ohm
29 C
Value = 745.00 Voltage = 3.64 V Resistance = 3726.54 Ohm
29 C
Value = 742.00 Voltage = 3.63 V Resistance = 3781.96 Ohm
29 C
Value = 745.00 Voltage = 3.64 V Resistance = 3726.54 Ohm
29 C
29 C
Value = 755.00 Voltage = 3.69 V Resistance = 3544.97 Ohm
29 C
Value = 756.00 Voltage = 3.70 V Resistance = 3527.08 Ohm
Value = 753.00 Voltage = 3.68 V Resistance = 3580.90 Ohm
29 C
Value = 756.00 Voltage = 3.70 V Resistance = 3527.08 Ohm
Value = 756.00 Voltage = 3.70 V Resistance = 3527.08 Ohm
Value = 758.00 Voltage = 3.71 V Resistance = 3491.44 Ohm
Value = 756.00 Voltage = 3.70 V Resistance = 3527.08 Ohm
Value = 758.00 Voltage = 3.71 V Resistance = 3491.44 Ohm
Value = 757.00 Voltage = 3.70 V Resistance = 3509.23 Ohm
Value = 757.00 Voltage = 3.70 V Resistance = 3509.23 Ohm
Value = 757.00 Voltage = 3.70 V Resistance = 3509.23 Ohm