Home / 5,431.73-8,144.84-2,654.24

Finding the Fourth Proportional to 5,431.73, 8,144.84 and 2,654.24

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Solution

The fourth proportional to 5,431.73, 8,144.84 and 2,654.24 is: 3,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.73 : 8,144.84 = 2,654.24 : x
  2. Step 2: Convert to fraction form
    5,431.73/8,144.84 = 2,654.24/x
  3. Step 3: Cross multiply
    5,431.73x = 8,144.84 × 2,654.24
  4. Step 4: Simplify right side
    5,431.73x = 21,618,306.13
  5. Step 5: Solve for x
    x = 21,618,306.13/5,431.73
  6. Step 6: Final answer
    x = 3,980.01

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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.