Home / 5,919.62-8,876.91-2,631.38

Finding the Fourth Proportional to 5,919.62, 8,876.91 and 2,631.38

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Solution

The fourth proportional to 5,919.62, 8,876.91 and 2,631.38 is: 3,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.62 : 8,876.91 = 2,631.38 : x
  2. Step 2: Convert to fraction form
    5,919.62/8,876.91 = 2,631.38/x
  3. Step 3: Cross multiply
    5,919.62x = 8,876.91 × 2,631.38
  4. Step 4: Simplify right side
    5,919.62x = 23,358,523.44
  5. Step 5: Solve for x
    x = 23,358,523.44/5,919.62
  6. Step 6: Final answer
    x = 3,945.95

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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.