Home / 5,249.92-7,874.85-1,551.83

Finding the Fourth Proportional to 5,249.92, 7,874.85 and 1,551.83

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Solution

The fourth proportional to 5,249.92, 7,874.85 and 1,551.83 is: 2,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.92 : 7,874.85 = 1,551.83 : x
  2. Step 2: Convert to fraction form
    5,249.92/7,874.85 = 1,551.83/x
  3. Step 3: Cross multiply
    5,249.92x = 7,874.85 × 1,551.83
  4. Step 4: Simplify right side
    5,249.92x = 12,220,428.48
  5. Step 5: Solve for x
    x = 12,220,428.48/5,249.92
  6. Step 6: Final answer
    x = 2,327.74

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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.