Home / 2,474.55-3,711.94-1,378.08

Finding the Fourth Proportional to 2,474.55, 3,711.94 and 1,378.08

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Solution

The fourth proportional to 2,474.55, 3,711.94 and 1,378.08 is: 2,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.55 : 3,711.94 = 1,378.08 : x
  2. Step 2: Convert to fraction form
    2,474.55/3,711.94 = 1,378.08/x
  3. Step 3: Cross multiply
    2,474.55x = 3,711.94 × 1,378.08
  4. Step 4: Simplify right side
    2,474.55x = 5,115,346.83
  5. Step 5: Solve for x
    x = 5,115,346.83/2,474.55
  6. Step 6: Final answer
    x = 2,067.18

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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.