Home / 5,578.38-8,364.33-2,979.90

Finding the Fourth Proportional to 5,578.38, 8,364.33 and 2,979.90

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Solution

The fourth proportional to 5,578.38, 8,364.33 and 2,979.90 is: 4,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.38 : 8,364.33 = 2,979.90 : x
  2. Step 2: Convert to fraction form
    5,578.38/8,364.33 = 2,979.90/x
  3. Step 3: Cross multiply
    5,578.38x = 8,364.33 × 2,979.90
  4. Step 4: Simplify right side
    5,578.38x = 24,924,866.97
  5. Step 5: Solve for x
    x = 24,924,866.97/5,578.38
  6. Step 6: Final answer
    x = 4,468.12

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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.