[tex]\dfrac t{2.7} = \dfrac{4}{3.6}\\\\\\\implies t = \dfrac{ 4 \times 2.7}{3.6} \\\\\\\implies t = \dfrac{ 4 \times 27 \times \tfrac 1 {10}}{36 \times \tfrac 1{10}}\\\\\\\implies t = \dfrac{4 \times 27}{4 \times 9 }\\\\\\\implies t =\dfrac{27}9\\\\\\\implies t = 3[/tex]
