Home / 7,117.53-10,679.94-3,833.79

Finding the Fourth Proportional to 7,117.53, 10,679.94 and 3,833.79

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Solution

The fourth proportional to 7,117.53, 10,679.94 and 3,833.79 is: 5,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.53 : 10,679.94 = 3,833.79 : x
  2. Step 2: Convert to fraction form
    7,117.53/10,679.94 = 3,833.79/x
  3. Step 3: Cross multiply
    7,117.53x = 10,679.94 × 3,833.79
  4. Step 4: Simplify right side
    7,117.53x = 40,944,647.17
  5. Step 5: Solve for x
    x = 40,944,647.17/7,117.53
  6. Step 6: Final answer
    x = 5,752.65

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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.