Home / 7,234.20-10,857.82-3,773.88

Finding the Fourth Proportional to 7,234.20, 10,857.82 and 3,773.88

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Solution

The fourth proportional to 7,234.20, 10,857.82 and 3,773.88 is: 5,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.20 : 10,857.82 = 3,773.88 : x
  2. Step 2: Convert to fraction form
    7,234.20/10,857.82 = 3,773.88/x
  3. Step 3: Cross multiply
    7,234.20x = 10,857.82 × 3,773.88
  4. Step 4: Simplify right side
    7,234.20x = 40,976,109.74
  5. Step 5: Solve for x
    x = 40,976,109.74/7,234.20
  6. Step 6: Final answer
    x = 5,664.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.