Home / 3,331.18-4,592.59-2,857.02

Finding the Fourth Proportional to 3,331.18, 4,592.59 and 2,857.02

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Solution

The fourth proportional to 3,331.18, 4,592.59 and 2,857.02 is: 3,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.18 : 4,592.59 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    3,331.18/4,592.59 = 2,857.02/x
  3. Step 3: Cross multiply
    3,331.18x = 4,592.59 × 2,857.02
  4. Step 4: Simplify right side
    3,331.18x = 13,121,121.48
  5. Step 5: Solve for x
    x = 13,121,121.48/3,331.18
  6. Step 6: Final answer
    x = 3,938.88

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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.