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Finding the Fourth Proportional to 3,670.88, 5,072.08 and 2,497.18

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Solution

The fourth proportional to 3,670.88, 5,072.08 and 2,497.18 is: 3,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.88 : 5,072.08 = 2,497.18 : x
  2. Step 2: Convert to fraction form
    3,670.88/5,072.08 = 2,497.18/x
  3. Step 3: Cross multiply
    3,670.88x = 5,072.08 × 2,497.18
  4. Step 4: Simplify right side
    3,670.88x = 12,665,896.73
  5. Step 5: Solve for x
    x = 12,665,896.73/3,670.88
  6. Step 6: Final answer
    x = 3,450.37

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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.