Home / 3,551.05-5,321.71-2,253.43

Finding the Fourth Proportional to 3,551.05, 5,321.71 and 2,253.43

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Solution

The fourth proportional to 3,551.05, 5,321.71 and 2,253.43 is: 3,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.05 : 5,321.71 = 2,253.43 : x
  2. Step 2: Convert to fraction form
    3,551.05/5,321.71 = 2,253.43/x
  3. Step 3: Cross multiply
    3,551.05x = 5,321.71 × 2,253.43
  4. Step 4: Simplify right side
    3,551.05x = 11,992,100.97
  5. Step 5: Solve for x
    x = 11,992,100.97/3,551.05
  6. Step 6: Final answer
    x = 3,377.06

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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.