Home / 7,929.68-11,878.37-3,757.04

Finding the Fourth Proportional to 7,929.68, 11,878.37 and 3,757.04

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Solution

The fourth proportional to 7,929.68, 11,878.37 and 3,757.04 is: 5,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.68 : 11,878.37 = 3,757.04 : x
  2. Step 2: Convert to fraction form
    7,929.68/11,878.37 = 3,757.04/x
  3. Step 3: Cross multiply
    7,929.68x = 11,878.37 × 3,757.04
  4. Step 4: Simplify right side
    7,929.68x = 44,627,433.05
  5. Step 5: Solve for x
    x = 44,627,433.05/7,929.68
  6. Step 6: Final answer
    x = 5,627.90

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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.