Home / 5,261.54-7,884.79-3,863.91

Finding the Fourth Proportional to 5,261.54, 7,884.79 and 3,863.91

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Solution

The fourth proportional to 5,261.54, 7,884.79 and 3,863.91 is: 5,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.54 : 7,884.79 = 3,863.91 : x
  2. Step 2: Convert to fraction form
    5,261.54/7,884.79 = 3,863.91/x
  3. Step 3: Cross multiply
    5,261.54x = 7,884.79 × 3,863.91
  4. Step 4: Simplify right side
    5,261.54x = 30,466,118.93
  5. Step 5: Solve for x
    x = 30,466,118.93/5,261.54
  6. Step 6: Final answer
    x = 5,790.34

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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.