Home / 7,654.54-11,481.79-2,724.37

Finding the Fourth Proportional to 7,654.54, 11,481.79 and 2,724.37

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Solution

The fourth proportional to 7,654.54, 11,481.79 and 2,724.37 is: 4,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.54 : 11,481.79 = 2,724.37 : x
  2. Step 2: Convert to fraction form
    7,654.54/11,481.79 = 2,724.37/x
  3. Step 3: Cross multiply
    7,654.54x = 11,481.79 × 2,724.37
  4. Step 4: Simplify right side
    7,654.54x = 31,280,644.22
  5. Step 5: Solve for x
    x = 31,280,644.22/7,654.54
  6. Step 6: Final answer
    x = 4,086.55

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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.