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Finding the Fourth Proportional to 3,796.18, 5,691.84 and 1,847.32

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Solution

The fourth proportional to 3,796.18, 5,691.84 and 1,847.32 is: 2,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.18 : 5,691.84 = 1,847.32 : x
  2. Step 2: Convert to fraction form
    3,796.18/5,691.84 = 1,847.32/x
  3. Step 3: Cross multiply
    3,796.18x = 5,691.84 × 1,847.32
  4. Step 4: Simplify right side
    3,796.18x = 10,514,649.87
  5. Step 5: Solve for x
    x = 10,514,649.87/3,796.18
  6. Step 6: Final answer
    x = 2,769.80

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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.