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Finding the Fourth Proportional to 6,374.29, 8,797.07 and 3,722.55

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Solution

The fourth proportional to 6,374.29, 8,797.07 and 3,722.55 is: 5,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.29 : 8,797.07 = 3,722.55 : x
  2. Step 2: Convert to fraction form
    6,374.29/8,797.07 = 3,722.55/x
  3. Step 3: Cross multiply
    6,374.29x = 8,797.07 × 3,722.55
  4. Step 4: Simplify right side
    6,374.29x = 32,747,532.93
  5. Step 5: Solve for x
    x = 32,747,532.93/6,374.29
  6. Step 6: Final answer
    x = 5,137.44

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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.