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Finding the Fourth Proportional to 6,375.22, 8,797.82 and 3,722.81

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Solution

The fourth proportional to 6,375.22, 8,797.82 and 3,722.81 is: 5,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.22 : 8,797.82 = 3,722.81 : x
  2. Step 2: Convert to fraction form
    6,375.22/8,797.82 = 3,722.81/x
  3. Step 3: Cross multiply
    6,375.22x = 8,797.82 × 3,722.81
  4. Step 4: Simplify right side
    6,375.22x = 32,752,549.67
  5. Step 5: Solve for x
    x = 32,752,549.67/6,375.22
  6. Step 6: Final answer
    x = 5,137.48

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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.