Home / 5,853.24-8,780.61-2,155.52

Finding the Fourth Proportional to 5,853.24, 8,780.61 and 2,155.52

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Solution

The fourth proportional to 5,853.24, 8,780.61 and 2,155.52 is: 3,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.24 : 8,780.61 = 2,155.52 : x
  2. Step 2: Convert to fraction form
    5,853.24/8,780.61 = 2,155.52/x
  3. Step 3: Cross multiply
    5,853.24x = 8,780.61 × 2,155.52
  4. Step 4: Simplify right side
    5,853.24x = 18,926,736.56
  5. Step 5: Solve for x
    x = 18,926,736.56/5,853.24
  6. Step 6: Final answer
    x = 3,233.55

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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.