Formula : y2=(x2- x1) x (y3- y1)(x3- x1)+ y1 Solution : y2=(3 - 2) x (8 - 4)(7 - 2)+ 4 =(1) x (4)(5)+ 4 =45+ 4 = 0.8 + 4 y2= 4.8 Linear interpolation calculatoruses coordinates of two points $A(x_A, y_A)$ and $B(x_B, y_B)$ and $x$-coordina...