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Finding the Fourth Proportional to 6,154.66, 8,491 and 3,792.70

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Solution

The fourth proportional to 6,154.66, 8,491 and 3,792.70 is: 5,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.66 : 8,491 = 3,792.70 : x
  2. Step 2: Convert to fraction form
    6,154.66/8,491 = 3,792.70/x
  3. Step 3: Cross multiply
    6,154.66x = 8,491 × 3,792.70
  4. Step 4: Simplify right side
    6,154.66x = 32,203,815.70
  5. Step 5: Solve for x
    x = 32,203,815.70/6,154.66
  6. Step 6: Final answer
    x = 5,232.43

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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.