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Finding the Fourth Proportional to 3,515.77, 5,264.30 and 3,072.97

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Solution

The fourth proportional to 3,515.77, 5,264.30 and 3,072.97 is: 4,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.77 : 5,264.30 = 3,072.97 : x
  2. Step 2: Convert to fraction form
    3,515.77/5,264.30 = 3,072.97/x
  3. Step 3: Cross multiply
    3,515.77x = 5,264.30 × 3,072.97
  4. Step 4: Simplify right side
    3,515.77x = 16,177,020.61
  5. Step 5: Solve for x
    x = 16,177,020.61/3,515.77
  6. Step 6: Final answer
    x = 4,601.27

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1.5x scale

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.