Home / 5,811.62-8,705.75-2,687.24

Finding the Fourth Proportional to 5,811.62, 8,705.75 and 2,687.24

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Solution

The fourth proportional to 5,811.62, 8,705.75 and 2,687.24 is: 4,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.62 : 8,705.75 = 2,687.24 : x
  2. Step 2: Convert to fraction form
    5,811.62/8,705.75 = 2,687.24/x
  3. Step 3: Cross multiply
    5,811.62x = 8,705.75 × 2,687.24
  4. Step 4: Simplify right side
    5,811.62x = 23,394,447.96
  5. Step 5: Solve for x
    x = 23,394,447.96/5,811.62
  6. Step 6: Final answer
    x = 4,025.46

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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.