Home / 3,591.50-4,956.23-1,998.09

Finding the Fourth Proportional to 3,591.50, 4,956.23 and 1,998.09

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Solution

The fourth proportional to 3,591.50, 4,956.23 and 1,998.09 is: 2,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.50 : 4,956.23 = 1,998.09 : x
  2. Step 2: Convert to fraction form
    3,591.50/4,956.23 = 1,998.09/x
  3. Step 3: Cross multiply
    3,591.50x = 4,956.23 × 1,998.09
  4. Step 4: Simplify right side
    3,591.50x = 9,902,983.61
  5. Step 5: Solve for x
    x = 9,902,983.61/3,591.50
  6. Step 6: Final answer
    x = 2,757.34

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,592.50, 4,957.60 and 1,999.09
Similar ratio
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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.