Home / 7,504.75-11,232.69-3,989.71

Finding the Fourth Proportional to 7,504.75, 11,232.69 and 3,989.71

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Solution

The fourth proportional to 7,504.75, 11,232.69 and 3,989.71 is: 5,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.75 : 11,232.69 = 3,989.71 : x
  2. Step 2: Convert to fraction form
    7,504.75/11,232.69 = 3,989.71/x
  3. Step 3: Cross multiply
    7,504.75x = 11,232.69 × 3,989.71
  4. Step 4: Simplify right side
    7,504.75x = 44,815,175.62
  5. Step 5: Solve for x
    x = 44,815,175.62/7,504.75
  6. Step 6: Final answer
    x = 5,971.57

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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.