Home / 4,047.40-5,585.82-2,454.88

Finding the Fourth Proportional to 4,047.40, 5,585.82 and 2,454.88

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Solution

The fourth proportional to 4,047.40, 5,585.82 and 2,454.88 is: 3,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.40 : 5,585.82 = 2,454.88 : x
  2. Step 2: Convert to fraction form
    4,047.40/5,585.82 = 2,454.88/x
  3. Step 3: Cross multiply
    4,047.40x = 5,585.82 × 2,454.88
  4. Step 4: Simplify right side
    4,047.40x = 13,712,517.80
  5. Step 5: Solve for x
    x = 13,712,517.80/4,047.40
  6. Step 6: Final answer
    x = 3,387.98

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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.