Home / 5,209.92-7,192.80-4,626.72

Finding the Fourth Proportional to 5,209.92, 7,192.80 and 4,626.72

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Solution

The fourth proportional to 5,209.92, 7,192.80 and 4,626.72 is: 6,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.92 : 7,192.80 = 4,626.72 : x
  2. Step 2: Convert to fraction form
    5,209.92/7,192.80 = 4,626.72/x
  3. Step 3: Cross multiply
    5,209.92x = 7,192.80 × 4,626.72
  4. Step 4: Simplify right side
    5,209.92x = 33,279,071.62
  5. Step 5: Solve for x
    x = 33,279,071.62/5,209.92
  6. Step 6: Final answer
    x = 6,387.64

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