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Finding the Fourth Proportional to 4,997.91, 6,899.37 and 3,230.37

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Solution

The fourth proportional to 4,997.91, 6,899.37 and 3,230.37 is: 4,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.91 : 6,899.37 = 3,230.37 : x
  2. Step 2: Convert to fraction form
    4,997.91/6,899.37 = 3,230.37/x
  3. Step 3: Cross multiply
    4,997.91x = 6,899.37 × 3,230.37
  4. Step 4: Simplify right side
    4,997.91x = 22,287,517.87
  5. Step 5: Solve for x
    x = 22,287,517.87/4,997.91
  6. Step 6: Final answer
    x = 4,459.37

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Double scale
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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.