Home / 4,849.92-6,687.72-3,172.77

Finding the Fourth Proportional to 4,849.92, 6,687.72 and 3,172.77

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Solution

The fourth proportional to 4,849.92, 6,687.72 and 3,172.77 is: 4,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.92 : 6,687.72 = 3,172.77 : x
  2. Step 2: Convert to fraction form
    4,849.92/6,687.72 = 3,172.77/x
  3. Step 3: Cross multiply
    4,849.92x = 6,687.72 × 3,172.77
  4. Step 4: Simplify right side
    4,849.92x = 21,218,597.38
  5. Step 5: Solve for x
    x = 21,218,597.38/4,849.92
  6. Step 6: Final answer
    x = 4,375.04

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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.