Home / 6,923.78-10,387.04-2,541.28

Finding the Fourth Proportional to 6,923.78, 10,387.04 and 2,541.28

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Solution

The fourth proportional to 6,923.78, 10,387.04 and 2,541.28 is: 3,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.78 : 10,387.04 = 2,541.28 : x
  2. Step 2: Convert to fraction form
    6,923.78/10,387.04 = 2,541.28/x
  3. Step 3: Cross multiply
    6,923.78x = 10,387.04 × 2,541.28
  4. Step 4: Simplify right side
    6,923.78x = 26,396,377.01
  5. Step 5: Solve for x
    x = 26,396,377.01/6,923.78
  6. Step 6: Final answer
    x = 3,812.42

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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.