`4/3 xx x = 1/1`
`=> x = 1 : 4/3`
`=> x = 3/4`
\(\dfrac{4}{3}\times x=\dfrac{1}{1}\)
\(x=\dfrac{1}{1}:\dfrac{4}{3}\)
\(x=\dfrac{3}{4}\)
\(\dfrac{4}{3}\times x=\dfrac{1}{1}\)
\(x=\dfrac{1}{1}:\dfrac{4}{3}\)
\(x=\dfrac{1}{1}\times\dfrac{3}{4}\)
\(x=\dfrac{3}{4}\)