Home / 3,999.17-5,519.85-2,725.16

Finding the Fourth Proportional to 3,999.17, 5,519.85 and 2,725.16

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Solution

The fourth proportional to 3,999.17, 5,519.85 and 2,725.16 is: 3,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.17 : 5,519.85 = 2,725.16 : x
  2. Step 2: Convert to fraction form
    3,999.17/5,519.85 = 2,725.16/x
  3. Step 3: Cross multiply
    3,999.17x = 5,519.85 × 2,725.16
  4. Step 4: Simplify right side
    3,999.17x = 15,042,474.43
  5. Step 5: Solve for x
    x = 15,042,474.43/3,999.17
  6. Step 6: Final answer
    x = 3,761.40

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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.