Home / 2,542.19-3,508.16-1,423.17

Finding the Fourth Proportional to 2,542.19, 3,508.16 and 1,423.17

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Solution

The fourth proportional to 2,542.19, 3,508.16 and 1,423.17 is: 1,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.19 : 3,508.16 = 1,423.17 : x
  2. Step 2: Convert to fraction form
    2,542.19/3,508.16 = 1,423.17/x
  3. Step 3: Cross multiply
    2,542.19x = 3,508.16 × 1,423.17
  4. Step 4: Simplify right side
    2,542.19x = 4,992,700.95
  5. Step 5: Solve for x
    x = 4,992,700.95/2,542.19
  6. Step 6: Final answer
    x = 1,963.94

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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.