Home / 5,723.62-8,578.49-2,429.79

Finding the Fourth Proportional to 5,723.62, 8,578.49 and 2,429.79

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Solution

The fourth proportional to 5,723.62, 8,578.49 and 2,429.79 is: 3,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.62 : 8,578.49 = 2,429.79 : x
  2. Step 2: Convert to fraction form
    5,723.62/8,578.49 = 2,429.79/x
  3. Step 3: Cross multiply
    5,723.62x = 8,578.49 × 2,429.79
  4. Step 4: Simplify right side
    5,723.62x = 20,843,929.22
  5. Step 5: Solve for x
    x = 20,843,929.22/5,723.62
  6. Step 6: Final answer
    x = 3,641.74

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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.