Home / 5,213.52-7,194.60-3,117.24

Finding the Fourth Proportional to 5,213.52, 7,194.60 and 3,117.24

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Solution

The fourth proportional to 5,213.52, 7,194.60 and 3,117.24 is: 4,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.52 : 7,194.60 = 3,117.24 : x
  2. Step 2: Convert to fraction form
    5,213.52/7,194.60 = 3,117.24/x
  3. Step 3: Cross multiply
    5,213.52x = 7,194.60 × 3,117.24
  4. Step 4: Simplify right side
    5,213.52x = 22,427,294.90
  5. Step 5: Solve for x
    x = 22,427,294.90/5,213.52
  6. Step 6: Final answer
    x = 4,301.76

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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.