Home / 2,812.59-4,215.92-1,166.85

Finding the Fourth Proportional to 2,812.59, 4,215.92 and 1,166.85

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Solution

The fourth proportional to 2,812.59, 4,215.92 and 1,166.85 is: 1,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.59 : 4,215.92 = 1,166.85 : x
  2. Step 2: Convert to fraction form
    2,812.59/4,215.92 = 1,166.85/x
  3. Step 3: Cross multiply
    2,812.59x = 4,215.92 × 1,166.85
  4. Step 4: Simplify right side
    2,812.59x = 4,919,340.42
  5. Step 5: Solve for x
    x = 4,919,340.42/2,812.59
  6. Step 6: Final answer
    x = 1,749.04

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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.