Home / 5,217.74-7,822.15-2,584.02

Finding the Fourth Proportional to 5,217.74, 7,822.15 and 2,584.02

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Solution

The fourth proportional to 5,217.74, 7,822.15 and 2,584.02 is: 3,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.74 : 7,822.15 = 2,584.02 : x
  2. Step 2: Convert to fraction form
    5,217.74/7,822.15 = 2,584.02/x
  3. Step 3: Cross multiply
    5,217.74x = 7,822.15 × 2,584.02
  4. Step 4: Simplify right side
    5,217.74x = 20,212,592.04
  5. Step 5: Solve for x
    x = 20,212,592.04/5,217.74
  6. Step 6: Final answer
    x = 3,873.82

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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.