Home / 6,979.91-9,632.03-3,836.07

Finding the Fourth Proportional to 6,979.91, 9,632.03 and 3,836.07

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Solution

The fourth proportional to 6,979.91, 9,632.03 and 3,836.07 is: 5,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.91 : 9,632.03 = 3,836.07 : x
  2. Step 2: Convert to fraction form
    6,979.91/9,632.03 = 3,836.07/x
  3. Step 3: Cross multiply
    6,979.91x = 9,632.03 × 3,836.07
  4. Step 4: Simplify right side
    6,979.91x = 36,949,122.14
  5. Step 5: Solve for x
    x = 36,949,122.14/6,979.91
  6. Step 6: Final answer
    x = 5,293.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.