Home / 6,221.13-9,331.89-2,758.38

Finding the Fourth Proportional to 6,221.13, 9,331.89 and 2,758.38

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Solution

The fourth proportional to 6,221.13, 9,331.89 and 2,758.38 is: 4,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.13 : 9,331.89 = 2,758.38 : x
  2. Step 2: Convert to fraction form
    6,221.13/9,331.89 = 2,758.38/x
  3. Step 3: Cross multiply
    6,221.13x = 9,331.89 × 2,758.38
  4. Step 4: Simplify right side
    6,221.13x = 25,740,898.74
  5. Step 5: Solve for x
    x = 25,740,898.74/6,221.13
  6. Step 6: Final answer
    x = 4,137.66

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