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Finding the Fourth Proportional to 6,794.15, 9,375.76 and 3,809.91

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Solution

The fourth proportional to 6,794.15, 9,375.76 and 3,809.91 is: 5,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.15 : 9,375.76 = 3,809.91 : x
  2. Step 2: Convert to fraction form
    6,794.15/9,375.76 = 3,809.91/x
  3. Step 3: Cross multiply
    6,794.15x = 9,375.76 × 3,809.91
  4. Step 4: Simplify right side
    6,794.15x = 35,720,841.70
  5. Step 5: Solve for x
    x = 35,720,841.70/6,794.15
  6. Step 6: Final answer
    x = 5,257.59

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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.