Home / 4,463.15-6,690.94-2,728.13

Finding the Fourth Proportional to 4,463.15, 6,690.94 and 2,728.13

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Solution

The fourth proportional to 4,463.15, 6,690.94 and 2,728.13 is: 4,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,463.15 : 6,690.94 = 2,728.13 : x
  2. Step 2: Convert to fraction form
    4,463.15/6,690.94 = 2,728.13/x
  3. Step 3: Cross multiply
    4,463.15x = 6,690.94 × 2,728.13
  4. Step 4: Simplify right side
    4,463.15x = 18,253,713.87
  5. Step 5: Solve for x
    x = 18,253,713.87/4,463.15
  6. Step 6: Final answer
    x = 4,089.88

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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.