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Finding the Fourth Proportional to 3,753.86, 5,624.85 and 1,998.39

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Solution

The fourth proportional to 3,753.86, 5,624.85 and 1,998.39 is: 2,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.86 : 5,624.85 = 1,998.39 : x
  2. Step 2: Convert to fraction form
    3,753.86/5,624.85 = 1,998.39/x
  3. Step 3: Cross multiply
    3,753.86x = 5,624.85 × 1,998.39
  4. Step 4: Simplify right side
    3,753.86x = 11,240,634.00
  5. Step 5: Solve for x
    x = 11,240,634.00/3,753.86
  6. Step 6: Final answer
    x = 2,994.42

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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.