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Finding the Fourth Proportional to 3,570.97, 5,335.98 and 2,721.97

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Solution

The fourth proportional to 3,570.97, 5,335.98 and 2,721.97 is: 4,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.97 : 5,335.98 = 2,721.97 : x
  2. Step 2: Convert to fraction form
    3,570.97/5,335.98 = 2,721.97/x
  3. Step 3: Cross multiply
    3,570.97x = 5,335.98 × 2,721.97
  4. Step 4: Simplify right side
    3,570.97x = 14,524,384.29
  5. Step 5: Solve for x
    x = 14,524,384.29/3,570.97
  6. Step 6: Final answer
    x = 4,067.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.