Home / 1,742.97-2,613.13-702.18

Finding the Fourth Proportional to 1,742.97, 2,613.13 and 702.18

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Solution

The fourth proportional to 1,742.97, 2,613.13 and 702.18 is: 1,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.97 : 2,613.13 = 702.18 : x
  2. Step 2: Convert to fraction form
    1,742.97/2,613.13 = 702.18/x
  3. Step 3: Cross multiply
    1,742.97x = 2,613.13 × 702.18
  4. Step 4: Simplify right side
    1,742.97x = 1,834,887.62
  5. Step 5: Solve for x
    x = 1,834,887.62/1,742.97
  6. Step 6: Final answer
    x = 1,052.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.