Home / 3,682.32-5,523-1,217.16

Finding the Fourth Proportional to 3,682.32, 5,523 and 1,217.16

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Solution

The fourth proportional to 3,682.32, 5,523 and 1,217.16 is: 1,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.32 : 5,523 = 1,217.16 : x
  2. Step 2: Convert to fraction form
    3,682.32/5,523 = 1,217.16/x
  3. Step 3: Cross multiply
    3,682.32x = 5,523 × 1,217.16
  4. Step 4: Simplify right side
    3,682.32x = 6,722,374.68
  5. Step 5: Solve for x
    x = 6,722,374.68/3,682.32
  6. Step 6: Final answer
    x = 1,825.58

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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.