If Y varies inversely with x and x=3.25 when y=4.5, what is the value of x when y=3.75?

$x = 3.25$
$y \infty \frac{1}{x} \mathmr{and} y = k \cdot \frac{1}{x} \mathmr{and} y \cdot x = k$. When x=3.25 ; y= 4.5 :. k=3.25*4.5=14.265 Now $y = 4.5 \therefore x = \frac{14.265}{4.5} = 3.25$[Ans]