Home / 7,419.25-11,114.97-3,717.15

Finding the Fourth Proportional to 7,419.25, 11,114.97 and 3,717.15

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Solution

The fourth proportional to 7,419.25, 11,114.97 and 3,717.15 is: 5,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.25 : 11,114.97 = 3,717.15 : x
  2. Step 2: Convert to fraction form
    7,419.25/11,114.97 = 3,717.15/x
  3. Step 3: Cross multiply
    7,419.25x = 11,114.97 × 3,717.15
  4. Step 4: Simplify right side
    7,419.25x = 41,316,010.74
  5. Step 5: Solve for x
    x = 41,316,010.74/7,419.25
  6. Step 6: Final answer
    x = 5,568.76

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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.