Question

1/4:1/x=1/x:1/1.25,then the value of x is

Answer 1

$\frac{1}{x} = \frac{1}{1.25 } - \frac{1}{4} \\ \\ \frac{1}{x} = 80 - 25 \\ x = 55$


1/1.25= 80
1/4= 25