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Finding the Fourth Proportional to 3,713.98, 5,570.82 and 1,522.18

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Solution

The fourth proportional to 3,713.98, 5,570.82 and 1,522.18 is: 2,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.98 : 5,570.82 = 1,522.18 : x
  2. Step 2: Convert to fraction form
    3,713.98/5,570.82 = 1,522.18/x
  3. Step 3: Cross multiply
    3,713.98x = 5,570.82 × 1,522.18
  4. Step 4: Simplify right side
    3,713.98x = 8,479,790.79
  5. Step 5: Solve for x
    x = 8,479,790.79/3,713.98
  6. Step 6: Final answer
    x = 2,283.21

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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.