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Finding the Fourth Proportional to 3,808.98, 5,713.92 and 1,616.49

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Solution

The fourth proportional to 3,808.98, 5,713.92 and 1,616.49 is: 2,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.98 : 5,713.92 = 1,616.49 : x
  2. Step 2: Convert to fraction form
    3,808.98/5,713.92 = 1,616.49/x
  3. Step 3: Cross multiply
    3,808.98x = 5,713.92 × 1,616.49
  4. Step 4: Simplify right side
    3,808.98x = 9,236,494.54
  5. Step 5: Solve for x
    x = 9,236,494.54/3,808.98
  6. Step 6: Final answer
    x = 2,424.93

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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.