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Finding the Fourth Proportional to 3,997.56, 5,999.42 and 2,610.52

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Solution

The fourth proportional to 3,997.56, 5,999.42 and 2,610.52 is: 3,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.56 : 5,999.42 = 2,610.52 : x
  2. Step 2: Convert to fraction form
    3,997.56/5,999.42 = 2,610.52/x
  3. Step 3: Cross multiply
    3,997.56x = 5,999.42 × 2,610.52
  4. Step 4: Simplify right side
    3,997.56x = 15,661,605.90
  5. Step 5: Solve for x
    x = 15,661,605.90/3,997.56
  6. Step 6: Final answer
    x = 3,917.79

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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.