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Finding the Fourth Proportional to 6,156.80, 8,487.60 and 3,797.36

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Solution

The fourth proportional to 6,156.80, 8,487.60 and 3,797.36 is: 5,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.80 : 8,487.60 = 3,797.36 : x
  2. Step 2: Convert to fraction form
    6,156.80/8,487.60 = 3,797.36/x
  3. Step 3: Cross multiply
    6,156.80x = 8,487.60 × 3,797.36
  4. Step 4: Simplify right side
    6,156.80x = 32,230,472.74
  5. Step 5: Solve for x
    x = 32,230,472.74/6,156.80
  6. Step 6: Final answer
    x = 5,234.94

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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.