Home / 2,789.48-3,847.78-2,046.44

Finding the Fourth Proportional to 2,789.48, 3,847.78 and 2,046.44

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Solution

The fourth proportional to 2,789.48, 3,847.78 and 2,046.44 is: 2,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.48 : 3,847.78 = 2,046.44 : x
  2. Step 2: Convert to fraction form
    2,789.48/3,847.78 = 2,046.44/x
  3. Step 3: Cross multiply
    2,789.48x = 3,847.78 × 2,046.44
  4. Step 4: Simplify right side
    2,789.48x = 7,874,250.90
  5. Step 5: Solve for x
    x = 7,874,250.90/2,789.48
  6. Step 6: Final answer
    x = 2,822.84

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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.