Home / 3,517.74-5,278.34-2,201.16

Finding the Fourth Proportional to 3,517.74, 5,278.34 and 2,201.16

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Solution

The fourth proportional to 3,517.74, 5,278.34 and 2,201.16 is: 3,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.74 : 5,278.34 = 2,201.16 : x
  2. Step 2: Convert to fraction form
    3,517.74/5,278.34 = 2,201.16/x
  3. Step 3: Cross multiply
    3,517.74x = 5,278.34 × 2,201.16
  4. Step 4: Simplify right side
    3,517.74x = 11,618,459.87
  5. Step 5: Solve for x
    x = 11,618,459.87/3,517.74
  6. Step 6: Final answer
    x = 3,302.82

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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.