Home / 7,195.87-10,791.07-2,812.76

Finding the Fourth Proportional to 7,195.87, 10,791.07 and 2,812.76

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Solution

The fourth proportional to 7,195.87, 10,791.07 and 2,812.76 is: 4,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.87 : 10,791.07 = 2,812.76 : x
  2. Step 2: Convert to fraction form
    7,195.87/10,791.07 = 2,812.76/x
  3. Step 3: Cross multiply
    7,195.87x = 10,791.07 × 2,812.76
  4. Step 4: Simplify right side
    7,195.87x = 30,352,690.05
  5. Step 5: Solve for x
    x = 30,352,690.05/7,195.87
  6. Step 6: Final answer
    x = 4,218.07

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1.5x scale

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.