Home / 2,791.46-4,188.42-1,059.68

Finding the Fourth Proportional to 2,791.46, 4,188.42 and 1,059.68

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Solution

The fourth proportional to 2,791.46, 4,188.42 and 1,059.68 is: 1,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.46 : 4,188.42 = 1,059.68 : x
  2. Step 2: Convert to fraction form
    2,791.46/4,188.42 = 1,059.68/x
  3. Step 3: Cross multiply
    2,791.46x = 4,188.42 × 1,059.68
  4. Step 4: Simplify right side
    2,791.46x = 4,438,384.91
  5. Step 5: Solve for x
    x = 4,438,384.91/2,791.46
  6. Step 6: Final answer
    x = 1,589.99

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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.