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Finding the Fourth Proportional to 6,797.91, 9,380.97 and 3,731.72

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Solution

The fourth proportional to 6,797.91, 9,380.97 and 3,731.72 is: 5,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797.91 : 9,380.97 = 3,731.72 : x
  2. Step 2: Convert to fraction form
    6,797.91/9,380.97 = 3,731.72/x
  3. Step 3: Cross multiply
    6,797.91x = 9,380.97 × 3,731.72
  4. Step 4: Simplify right side
    6,797.91x = 35,007,153.37
  5. Step 5: Solve for x
    x = 35,007,153.37/6,797.91
  6. Step 6: Final answer
    x = 5,149.69

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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.