Home / 5,786.71-8,680.01-3,319.76

Finding the Fourth Proportional to 5,786.71, 8,680.01 and 3,319.76

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Solution

The fourth proportional to 5,786.71, 8,680.01 and 3,319.76 is: 4,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.71 : 8,680.01 = 3,319.76 : x
  2. Step 2: Convert to fraction form
    5,786.71/8,680.01 = 3,319.76/x
  3. Step 3: Cross multiply
    5,786.71x = 8,680.01 × 3,319.76
  4. Step 4: Simplify right side
    5,786.71x = 28,815,555.10
  5. Step 5: Solve for x
    x = 28,815,555.10/5,786.71
  6. Step 6: Final answer
    x = 4,979.61

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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.