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Finding the Fourth Proportional to 3,990.16, 5,950.09 and 3,713.14

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Solution

The fourth proportional to 3,990.16, 5,950.09 and 3,713.14 is: 5,537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.16 : 5,950.09 = 3,713.14 : x
  2. Step 2: Convert to fraction form
    3,990.16/5,950.09 = 3,713.14/x
  3. Step 3: Cross multiply
    3,990.16x = 5,950.09 × 3,713.14
  4. Step 4: Simplify right side
    3,990.16x = 22,093,517.18
  5. Step 5: Solve for x
    x = 22,093,517.18/3,990.16
  6. Step 6: Final answer
    x = 5,537.00

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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.