Home / 5,731.97-7,908.84-3,634.88

Finding the Fourth Proportional to 5,731.97, 7,908.84 and 3,634.88

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Solution

The fourth proportional to 5,731.97, 7,908.84 and 3,634.88 is: 5,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.97 : 7,908.84 = 3,634.88 : x
  2. Step 2: Convert to fraction form
    5,731.97/7,908.84 = 3,634.88/x
  3. Step 3: Cross multiply
    5,731.97x = 7,908.84 × 3,634.88
  4. Step 4: Simplify right side
    5,731.97x = 28,747,644.80
  5. Step 5: Solve for x
    x = 28,747,644.80/5,731.97
  6. Step 6: Final answer
    x = 5,015.32

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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.