Home / 5,519.13-8,278.70-3,882.99

Finding the Fourth Proportional to 5,519.13, 8,278.70 and 3,882.99

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Solution

The fourth proportional to 5,519.13, 8,278.70 and 3,882.99 is: 5,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.13 : 8,278.70 = 3,882.99 : x
  2. Step 2: Convert to fraction form
    5,519.13/8,278.70 = 3,882.99/x
  3. Step 3: Cross multiply
    5,519.13x = 8,278.70 × 3,882.99
  4. Step 4: Simplify right side
    5,519.13x = 32,146,089.90
  5. Step 5: Solve for x
    x = 32,146,089.90/5,519.13
  6. Step 6: Final answer
    x = 5,824.49

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Half scale
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Double scale
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Similar ratio
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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.