Home / 4,972.43-7,474.14-3,135.35

Finding the Fourth Proportional to 4,972.43, 7,474.14 and 3,135.35

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Solution

The fourth proportional to 4,972.43, 7,474.14 and 3,135.35 is: 4,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.43 : 7,474.14 = 3,135.35 : x
  2. Step 2: Convert to fraction form
    4,972.43/7,474.14 = 3,135.35/x
  3. Step 3: Cross multiply
    4,972.43x = 7,474.14 × 3,135.35
  4. Step 4: Simplify right side
    4,972.43x = 23,433,991.80
  5. Step 5: Solve for x
    x = 23,433,991.80/4,972.43
  6. Step 6: Final answer
    x = 4,712.79

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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.