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Finding the Fourth Proportional to 3,570.62, 5,335.25 and 2,578.73

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Solution

The fourth proportional to 3,570.62, 5,335.25 and 2,578.73 is: 3,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.62 : 5,335.25 = 2,578.73 : x
  2. Step 2: Convert to fraction form
    3,570.62/5,335.25 = 2,578.73/x
  3. Step 3: Cross multiply
    3,570.62x = 5,335.25 × 2,578.73
  4. Step 4: Simplify right side
    3,570.62x = 13,758,189.02
  5. Step 5: Solve for x
    x = 13,758,189.02/3,570.62
  6. Step 6: Final answer
    x = 3,853.16

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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.