Home / 2,744.87-4,121.40-2,703.86

Finding the Fourth Proportional to 2,744.87, 4,121.40 and 2,703.86

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Solution

The fourth proportional to 2,744.87, 4,121.40 and 2,703.86 is: 4,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.87 : 4,121.40 = 2,703.86 : x
  2. Step 2: Convert to fraction form
    2,744.87/4,121.40 = 2,703.86/x
  3. Step 3: Cross multiply
    2,744.87x = 4,121.40 × 2,703.86
  4. Step 4: Simplify right side
    2,744.87x = 11,143,678.38
  5. Step 5: Solve for x
    x = 11,143,678.38/2,744.87
  6. Step 6: Final answer
    x = 4,059.83

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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.