Home / 3,997.60-5,516.43-2,229.10

Finding the Fourth Proportional to 3,997.60, 5,516.43 and 2,229.10

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Solution

The fourth proportional to 3,997.60, 5,516.43 and 2,229.10 is: 3,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.60 : 5,516.43 = 2,229.10 : x
  2. Step 2: Convert to fraction form
    3,997.60/5,516.43 = 2,229.10/x
  3. Step 3: Cross multiply
    3,997.60x = 5,516.43 × 2,229.10
  4. Step 4: Simplify right side
    3,997.60x = 12,296,674.11
  5. Step 5: Solve for x
    x = 12,296,674.11/3,997.60
  6. Step 6: Final answer
    x = 3,076.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.