Home / 6,147.75-9,215.47-2,640.04

Finding the Fourth Proportional to 6,147.75, 9,215.47 and 2,640.04

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Solution

The fourth proportional to 6,147.75, 9,215.47 and 2,640.04 is: 3,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.75 : 9,215.47 = 2,640.04 : x
  2. Step 2: Convert to fraction form
    6,147.75/9,215.47 = 2,640.04/x
  3. Step 3: Cross multiply
    6,147.75x = 9,215.47 × 2,640.04
  4. Step 4: Simplify right side
    6,147.75x = 24,329,241.52
  5. Step 5: Solve for x
    x = 24,329,241.52/6,147.75
  6. Step 6: Final answer
    x = 3,957.42

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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.