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Finding the Fourth Proportional to 2,794, 3,855.72 and 1,552

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Solution

The fourth proportional to 2,794, 3,855.72 and 1,552 is: 2,141.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794 : 3,855.72 = 1,552 : x
  2. Step 2: Convert to fraction form
    2,794/3,855.72 = 1,552/x
  3. Step 3: Cross multiply
    2,794x = 3,855.72 × 1,552
  4. Step 4: Simplify right side
    2,794x = 5,984,077.44
  5. Step 5: Solve for x
    x = 5,984,077.44/2,794
  6. Step 6: Final answer
    x = 2,141.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.