Home / 5,473.71-7,553.97-3,115.80

Finding the Fourth Proportional to 5,473.71, 7,553.97 and 3,115.80

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Solution

The fourth proportional to 5,473.71, 7,553.97 and 3,115.80 is: 4,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.71 : 7,553.97 = 3,115.80 : x
  2. Step 2: Convert to fraction form
    5,473.71/7,553.97 = 3,115.80/x
  3. Step 3: Cross multiply
    5,473.71x = 7,553.97 × 3,115.80
  4. Step 4: Simplify right side
    5,473.71x = 23,536,659.73
  5. Step 5: Solve for x
    x = 23,536,659.73/5,473.71
  6. Step 6: Final answer
    x = 4,299.95

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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.