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Finding the Fourth Proportional to 5,331.66, 7,997.31 and 1,435.92

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Solution

The fourth proportional to 5,331.66, 7,997.31 and 1,435.92 is: 2,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.66 : 7,997.31 = 1,435.92 : x
  2. Step 2: Convert to fraction form
    5,331.66/7,997.31 = 1,435.92/x
  3. Step 3: Cross multiply
    5,331.66x = 7,997.31 × 1,435.92
  4. Step 4: Simplify right side
    5,331.66x = 11,483,497.38
  5. Step 5: Solve for x
    x = 11,483,497.38/5,331.66
  6. Step 6: Final answer
    x = 2,153.83

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1.5x scale

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.