Home / 3,474.25-5,216.57-3,422.35

Finding the Fourth Proportional to 3,474.25, 5,216.57 and 3,422.35

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Solution

The fourth proportional to 3,474.25, 5,216.57 and 3,422.35 is: 5,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.25 : 5,216.57 = 3,422.35 : x
  2. Step 2: Convert to fraction form
    3,474.25/5,216.57 = 3,422.35/x
  3. Step 3: Cross multiply
    3,474.25x = 5,216.57 × 3,422.35
  4. Step 4: Simplify right side
    3,474.25x = 17,852,920.96
  5. Step 5: Solve for x
    x = 17,852,920.96/3,474.25
  6. Step 6: Final answer
    x = 5,138.64

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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.