Home / 2,542.13-3,508.31-1,423.01

Finding the Fourth Proportional to 2,542.13, 3,508.31 and 1,423.01

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Solution

The fourth proportional to 2,542.13, 3,508.31 and 1,423.01 is: 1,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.13 : 3,508.31 = 1,423.01 : x
  2. Step 2: Convert to fraction form
    2,542.13/3,508.31 = 1,423.01/x
  3. Step 3: Cross multiply
    2,542.13x = 3,508.31 × 1,423.01
  4. Step 4: Simplify right side
    2,542.13x = 4,992,335.56
  5. Step 5: Solve for x
    x = 4,992,335.56/2,542.13
  6. Step 6: Final answer
    x = 1,963.84

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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.