Home / 2,542.01-3,508.25-1,422.99

Finding the Fourth Proportional to 2,542.01, 3,508.25 and 1,422.99

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Solution

The fourth proportional to 2,542.01, 3,508.25 and 1,422.99 is: 1,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.01 : 3,508.25 = 1,422.99 : x
  2. Step 2: Convert to fraction form
    2,542.01/3,508.25 = 1,422.99/x
  3. Step 3: Cross multiply
    2,542.01x = 3,508.25 × 1,422.99
  4. Step 4: Simplify right side
    2,542.01x = 4,992,197.55
  5. Step 5: Solve for x
    x = 4,992,197.55/2,542.01
  6. Step 6: Final answer
    x = 1,963.88

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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.