Home / 7,324.11-10,979.73-3,806.70

Finding the Fourth Proportional to 7,324.11, 10,979.73 and 3,806.70

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Solution

The fourth proportional to 7,324.11, 10,979.73 and 3,806.70 is: 5,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.11 : 10,979.73 = 3,806.70 : x
  2. Step 2: Convert to fraction form
    7,324.11/10,979.73 = 3,806.70/x
  3. Step 3: Cross multiply
    7,324.11x = 10,979.73 × 3,806.70
  4. Step 4: Simplify right side
    7,324.11x = 41,796,538.19
  5. Step 5: Solve for x
    x = 41,796,538.19/7,324.11
  6. Step 6: Final answer
    x = 5,706.71

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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.