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Finding the Fourth Proportional to 3,874.99, 5,350.26 and 2,384.92

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Solution

The fourth proportional to 3,874.99, 5,350.26 and 2,384.92 is: 3,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.99 : 5,350.26 = 2,384.92 : x
  2. Step 2: Convert to fraction form
    3,874.99/5,350.26 = 2,384.92/x
  3. Step 3: Cross multiply
    3,874.99x = 5,350.26 × 2,384.92
  4. Step 4: Simplify right side
    3,874.99x = 12,759,942.08
  5. Step 5: Solve for x
    x = 12,759,942.08/3,874.99
  6. Step 6: Final answer
    x = 3,292.90

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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.