Home / 7,981.98-11,974.51-3,599.44

Finding the Fourth Proportional to 7,981.98, 11,974.51 and 3,599.44

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Solution

The fourth proportional to 7,981.98, 11,974.51 and 3,599.44 is: 5,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.98 : 11,974.51 = 3,599.44 : x
  2. Step 2: Convert to fraction form
    7,981.98/11,974.51 = 3,599.44/x
  3. Step 3: Cross multiply
    7,981.98x = 11,974.51 × 3,599.44
  4. Step 4: Simplify right side
    7,981.98x = 43,101,494.71
  5. Step 5: Solve for x
    x = 43,101,494.71/7,981.98
  6. Step 6: Final answer
    x = 5,399.85

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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.