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Finding the Fourth Proportional to 3,724.45, 5,586.67 and 951.12

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Solution

The fourth proportional to 3,724.45, 5,586.67 and 951.12 is: 1,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.45 : 5,586.67 = 951.12 : x
  2. Step 2: Convert to fraction form
    3,724.45/5,586.67 = 951.12/x
  3. Step 3: Cross multiply
    3,724.45x = 5,586.67 × 951.12
  4. Step 4: Simplify right side
    3,724.45x = 5,313,605.23
  5. Step 5: Solve for x
    x = 5,313,605.23/3,724.45
  6. Step 6: Final answer
    x = 1,426.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.