Home / 5,236.20-7,225.20-2,997.72

Finding the Fourth Proportional to 5,236.20, 7,225.20 and 2,997.72

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Solution

The fourth proportional to 5,236.20, 7,225.20 and 2,997.72 is: 4,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.20 : 7,225.20 = 2,997.72 : x
  2. Step 2: Convert to fraction form
    5,236.20/7,225.20 = 2,997.72/x
  3. Step 3: Cross multiply
    5,236.20x = 7,225.20 × 2,997.72
  4. Step 4: Simplify right side
    5,236.20x = 21,659,126.54
  5. Step 5: Solve for x
    x = 21,659,126.54/5,236.20
  6. Step 6: Final answer
    x = 4,136.42

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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.