Home / 2,654.09-3,979.76-1,191.98

Finding the Fourth Proportional to 2,654.09, 3,979.76 and 1,191.98

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Solution

The fourth proportional to 2,654.09, 3,979.76 and 1,191.98 is: 1,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.09 : 3,979.76 = 1,191.98 : x
  2. Step 2: Convert to fraction form
    2,654.09/3,979.76 = 1,191.98/x
  3. Step 3: Cross multiply
    2,654.09x = 3,979.76 × 1,191.98
  4. Step 4: Simplify right side
    2,654.09x = 4,743,807.25
  5. Step 5: Solve for x
    x = 4,743,807.25/2,654.09
  6. Step 6: Final answer
    x = 1,787.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.