Home / 5,327.28-7,990.92-3,375.38

Finding the Fourth Proportional to 5,327.28, 7,990.92 and 3,375.38

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Solution

The fourth proportional to 5,327.28, 7,990.92 and 3,375.38 is: 5,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.28 : 7,990.92 = 3,375.38 : x
  2. Step 2: Convert to fraction form
    5,327.28/7,990.92 = 3,375.38/x
  3. Step 3: Cross multiply
    5,327.28x = 7,990.92 × 3,375.38
  4. Step 4: Simplify right side
    5,327.28x = 26,972,351.60
  5. Step 5: Solve for x
    x = 26,972,351.60/5,327.28
  6. Step 6: Final answer
    x = 5,063.06

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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.