Home / 7,071.48-9,755.32-4,237.50

Finding the Fourth Proportional to 7,071.48, 9,755.32 and 4,237.50

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Solution

The fourth proportional to 7,071.48, 9,755.32 and 4,237.50 is: 5,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.48 : 9,755.32 = 4,237.50 : x
  2. Step 2: Convert to fraction form
    7,071.48/9,755.32 = 4,237.50/x
  3. Step 3: Cross multiply
    7,071.48x = 9,755.32 × 4,237.50
  4. Step 4: Simplify right side
    7,071.48x = 41,338,168.50
  5. Step 5: Solve for x
    x = 41,338,168.50/7,071.48
  6. Step 6: Final answer
    x = 5,845.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.