Home / 2,164.15-3,244.23-702.55

Finding the Fourth Proportional to 2,164.15, 3,244.23 and 702.55

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Solution

The fourth proportional to 2,164.15, 3,244.23 and 702.55 is: 1,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.15 : 3,244.23 = 702.55 : x
  2. Step 2: Convert to fraction form
    2,164.15/3,244.23 = 702.55/x
  3. Step 3: Cross multiply
    2,164.15x = 3,244.23 × 702.55
  4. Step 4: Simplify right side
    2,164.15x = 2,279,233.79
  5. Step 5: Solve for x
    x = 2,279,233.79/2,164.15
  6. Step 6: Final answer
    x = 1,053.18

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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.