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Finding the Fourth Proportional to 2,588.76, 3,879.34 and 2,327.38

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Solution

The fourth proportional to 2,588.76, 3,879.34 and 2,327.38 is: 3,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.76 : 3,879.34 = 2,327.38 : x
  2. Step 2: Convert to fraction form
    2,588.76/3,879.34 = 2,327.38/x
  3. Step 3: Cross multiply
    2,588.76x = 3,879.34 × 2,327.38
  4. Step 4: Simplify right side
    2,588.76x = 9,028,717.73
  5. Step 5: Solve for x
    x = 9,028,717.73/2,588.76
  6. Step 6: Final answer
    x = 3,487.66

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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.