Four identical rectangular plates with length, $$l = 2$$ cm and breadth, $$b = \frac{3}{2}$$ cm are arranged as shown in figure. The equivalent capacitance between $$A$$ and $$C$$ is $$\frac{x\varepsilon_0}{d}$$. The value of $$x$$ is ________. (Round off to the Nearest Integer)