Home / 3,682.96-5,515.44-2,380.48

Finding the Fourth Proportional to 3,682.96, 5,515.44 and 2,380.48

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Solution

The fourth proportional to 3,682.96, 5,515.44 and 2,380.48 is: 3,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.96 : 5,515.44 = 2,380.48 : x
  2. Step 2: Convert to fraction form
    3,682.96/5,515.44 = 2,380.48/x
  3. Step 3: Cross multiply
    3,682.96x = 5,515.44 × 2,380.48
  4. Step 4: Simplify right side
    3,682.96x = 13,129,394.61
  5. Step 5: Solve for x
    x = 13,129,394.61/3,682.96
  6. Step 6: Final answer
    x = 3,564.90

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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.