Home / 3,217.79-4,825.15-1,572.41

Finding the Fourth Proportional to 3,217.79, 4,825.15 and 1,572.41

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Solution

The fourth proportional to 3,217.79, 4,825.15 and 1,572.41 is: 2,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.79 : 4,825.15 = 1,572.41 : x
  2. Step 2: Convert to fraction form
    3,217.79/4,825.15 = 1,572.41/x
  3. Step 3: Cross multiply
    3,217.79x = 4,825.15 × 1,572.41
  4. Step 4: Simplify right side
    3,217.79x = 7,587,122.24
  5. Step 5: Solve for x
    x = 7,587,122.24/3,217.79
  6. Step 6: Final answer
    x = 2,357.87

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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.