Home / 4,099.38-5,656.86-2,331.78

Finding the Fourth Proportional to 4,099.38, 5,656.86 and 2,331.78

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Solution

The fourth proportional to 4,099.38, 5,656.86 and 2,331.78 is: 3,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.38 : 5,656.86 = 2,331.78 : x
  2. Step 2: Convert to fraction form
    4,099.38/5,656.86 = 2,331.78/x
  3. Step 3: Cross multiply
    4,099.38x = 5,656.86 × 2,331.78
  4. Step 4: Simplify right side
    4,099.38x = 13,190,553.01
  5. Step 5: Solve for x
    x = 13,190,553.01/4,099.38
  6. Step 6: Final answer
    x = 3,217.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.