Home / 5,213.94-7,198.92-3,225.12

Finding the Fourth Proportional to 5,213.94, 7,198.92 and 3,225.12

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Solution

The fourth proportional to 5,213.94, 7,198.92 and 3,225.12 is: 4,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.94 : 7,198.92 = 3,225.12 : x
  2. Step 2: Convert to fraction form
    5,213.94/7,198.92 = 3,225.12/x
  3. Step 3: Cross multiply
    5,213.94x = 7,198.92 × 3,225.12
  4. Step 4: Simplify right side
    5,213.94x = 23,217,380.87
  5. Step 5: Solve for x
    x = 23,217,380.87/5,213.94
  6. Step 6: Final answer
    x = 4,452.94

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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.