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Finding the Fourth Proportional to 3,704.94, 5,557.42 and 1,513.67

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Solution

The fourth proportional to 3,704.94, 5,557.42 and 1,513.67 is: 2,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.94 : 5,557.42 = 1,513.67 : x
  2. Step 2: Convert to fraction form
    3,704.94/5,557.42 = 1,513.67/x
  3. Step 3: Cross multiply
    3,704.94x = 5,557.42 × 1,513.67
  4. Step 4: Simplify right side
    3,704.94x = 8,412,099.93
  5. Step 5: Solve for x
    x = 8,412,099.93/3,704.94
  6. Step 6: Final answer
    x = 2,270.51

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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.