Home / 7,276.12-10,919.60-2,834.48

Finding the Fourth Proportional to 7,276.12, 10,919.60 and 2,834.48

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Solution

The fourth proportional to 7,276.12, 10,919.60 and 2,834.48 is: 4,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.12 : 10,919.60 = 2,834.48 : x
  2. Step 2: Convert to fraction form
    7,276.12/10,919.60 = 2,834.48/x
  3. Step 3: Cross multiply
    7,276.12x = 10,919.60 × 2,834.48
  4. Step 4: Simplify right side
    7,276.12x = 30,951,387.81
  5. Step 5: Solve for x
    x = 30,951,387.81/7,276.12
  6. Step 6: Final answer
    x = 4,253.83

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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.