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Finding the Fourth Proportional to 5,791.34, 8,687.82 and 1,894.97

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Solution

The fourth proportional to 5,791.34, 8,687.82 and 1,894.97 is: 2,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.34 : 8,687.82 = 1,894.97 : x
  2. Step 2: Convert to fraction form
    5,791.34/8,687.82 = 1,894.97/x
  3. Step 3: Cross multiply
    5,791.34x = 8,687.82 × 1,894.97
  4. Step 4: Simplify right side
    5,791.34x = 16,463,158.27
  5. Step 5: Solve for x
    x = 16,463,158.27/5,791.34
  6. Step 6: Final answer
    x = 2,842.72

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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.