Home / 5,229.87-7,216.17-3,105.03

Finding the Fourth Proportional to 5,229.87, 7,216.17 and 3,105.03

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Solution

The fourth proportional to 5,229.87, 7,216.17 and 3,105.03 is: 4,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.87 : 7,216.17 = 3,105.03 : x
  2. Step 2: Convert to fraction form
    5,229.87/7,216.17 = 3,105.03/x
  3. Step 3: Cross multiply
    5,229.87x = 7,216.17 × 3,105.03
  4. Step 4: Simplify right side
    5,229.87x = 22,406,424.34
  5. Step 5: Solve for x
    x = 22,406,424.34/5,229.87
  6. Step 6: Final answer
    x = 4,284.32

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.