Home / 3,592.20-4,944.60-3,213.12

Finding the Fourth Proportional to 3,592.20, 4,944.60 and 3,213.12

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Solution

The fourth proportional to 3,592.20, 4,944.60 and 3,213.12 is: 4,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.20 : 4,944.60 = 3,213.12 : x
  2. Step 2: Convert to fraction form
    3,592.20/4,944.60 = 3,213.12/x
  3. Step 3: Cross multiply
    3,592.20x = 4,944.60 × 3,213.12
  4. Step 4: Simplify right side
    3,592.20x = 15,887,593.15
  5. Step 5: Solve for x
    x = 15,887,593.15/3,592.20
  6. Step 6: Final answer
    x = 4,422.80

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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.