Home / 5,132.54-7,082.91-2,774.70

Finding the Fourth Proportional to 5,132.54, 7,082.91 and 2,774.70

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Solution

The fourth proportional to 5,132.54, 7,082.91 and 2,774.70 is: 3,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.54 : 7,082.91 = 2,774.70 : x
  2. Step 2: Convert to fraction form
    5,132.54/7,082.91 = 2,774.70/x
  3. Step 3: Cross multiply
    5,132.54x = 7,082.91 × 2,774.70
  4. Step 4: Simplify right side
    5,132.54x = 19,652,950.38
  5. Step 5: Solve for x
    x = 19,652,950.38/5,132.54
  6. Step 6: Final answer
    x = 3,829.09

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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.