Home / 5,649.38-7,798.20-3,411.26

Finding the Fourth Proportional to 5,649.38, 7,798.20 and 3,411.26

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Solution

The fourth proportional to 5,649.38, 7,798.20 and 3,411.26 is: 4,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.38 : 7,798.20 = 3,411.26 : x
  2. Step 2: Convert to fraction form
    5,649.38/7,798.20 = 3,411.26/x
  3. Step 3: Cross multiply
    5,649.38x = 7,798.20 × 3,411.26
  4. Step 4: Simplify right side
    5,649.38x = 26,601,687.73
  5. Step 5: Solve for x
    x = 26,601,687.73/5,649.38
  6. Step 6: Final answer
    x = 4,708.78

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Half scale
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Double scale
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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.