Home / 3,551.07-5,321.85-2,725.28

Finding the Fourth Proportional to 3,551.07, 5,321.85 and 2,725.28

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Solution

The fourth proportional to 3,551.07, 5,321.85 and 2,725.28 is: 4,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.07 : 5,321.85 = 2,725.28 : x
  2. Step 2: Convert to fraction form
    3,551.07/5,321.85 = 2,725.28/x
  3. Step 3: Cross multiply
    3,551.07x = 5,321.85 × 2,725.28
  4. Step 4: Simplify right side
    3,551.07x = 14,503,552.28
  5. Step 5: Solve for x
    x = 14,503,552.28/3,551.07
  6. Step 6: Final answer
    x = 4,084.28

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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.