Home / 5,757.21-8,635.68-2,982.96

Finding the Fourth Proportional to 5,757.21, 8,635.68 and 2,982.96

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Solution

The fourth proportional to 5,757.21, 8,635.68 and 2,982.96 is: 4,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.21 : 8,635.68 = 2,982.96 : x
  2. Step 2: Convert to fraction form
    5,757.21/8,635.68 = 2,982.96/x
  3. Step 3: Cross multiply
    5,757.21x = 8,635.68 × 2,982.96
  4. Step 4: Simplify right side
    5,757.21x = 25,759,888.01
  5. Step 5: Solve for x
    x = 25,759,888.01/5,757.21
  6. Step 6: Final answer
    x = 4,474.37

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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.