Master Chen divides a 17.2-meter-long wooden strip into four evenly, which can just form a square with a side length of x meters. What is the side length of this square?
陈师傅把一根长17.2米的木条平均分成四段，正好可以围成一个边长是x米的正方形．这个正方形的边长是多少米？
<gadget id="calculator">17.2 / 4</gadget>
<output>4.3</output>

<result>4.3</result>