Home / 4,089.83-5,644.11-2,896.97

Finding the Fourth Proportional to 4,089.83, 5,644.11 and 2,896.97

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Solution

The fourth proportional to 4,089.83, 5,644.11 and 2,896.97 is: 3,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.83 : 5,644.11 = 2,896.97 : x
  2. Step 2: Convert to fraction form
    4,089.83/5,644.11 = 2,896.97/x
  3. Step 3: Cross multiply
    4,089.83x = 5,644.11 × 2,896.97
  4. Step 4: Simplify right side
    4,089.83x = 16,350,817.35
  5. Step 5: Solve for x
    x = 16,350,817.35/4,089.83
  6. Step 6: Final answer
    x = 3,997.92

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Half 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.