Home / 6,716.26-10,066.76-3,422.40

Finding the Fourth Proportional to 6,716.26, 10,066.76 and 3,422.40

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Solution

The fourth proportional to 6,716.26, 10,066.76 and 3,422.40 is: 5,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,716.26 : 10,066.76 = 3,422.40 : x
  2. Step 2: Convert to fraction form
    6,716.26/10,066.76 = 3,422.40/x
  3. Step 3: Cross multiply
    6,716.26x = 10,066.76 × 3,422.40
  4. Step 4: Simplify right side
    6,716.26x = 34,452,479.42
  5. Step 5: Solve for x
    x = 34,452,479.42/6,716.26
  6. Step 6: Final answer
    x = 5,129.71

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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.