Home / 5,511.38-7,605.70-3,027.38

Finding the Fourth Proportional to 5,511.38, 7,605.70 and 3,027.38

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Solution

The fourth proportional to 5,511.38, 7,605.70 and 3,027.38 is: 4,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.38 : 7,605.70 = 3,027.38 : x
  2. Step 2: Convert to fraction form
    5,511.38/7,605.70 = 3,027.38/x
  3. Step 3: Cross multiply
    5,511.38x = 7,605.70 × 3,027.38
  4. Step 4: Simplify right side
    5,511.38x = 23,025,298.47
  5. Step 5: Solve for x
    x = 23,025,298.47/5,511.38
  6. Step 6: Final answer
    x = 4,177.78

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Half scale
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Double scale
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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.