Home / 5,516.76-8,275.68-1,819.02

Finding the Fourth Proportional to 5,516.76, 8,275.68 and 1,819.02

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Solution

The fourth proportional to 5,516.76, 8,275.68 and 1,819.02 is: 2,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.76 : 8,275.68 = 1,819.02 : x
  2. Step 2: Convert to fraction form
    5,516.76/8,275.68 = 1,819.02/x
  3. Step 3: Cross multiply
    5,516.76x = 8,275.68 × 1,819.02
  4. Step 4: Simplify right side
    5,516.76x = 15,053,627.43
  5. Step 5: Solve for x
    x = 15,053,627.43/5,516.76
  6. Step 6: Final answer
    x = 2,728.71

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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.