Home / 2,711.14-4,067.78-1,151.48

Finding the Fourth Proportional to 2,711.14, 4,067.78 and 1,151.48

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Solution

The fourth proportional to 2,711.14, 4,067.78 and 1,151.48 is: 1,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.14 : 4,067.78 = 1,151.48 : x
  2. Step 2: Convert to fraction form
    2,711.14/4,067.78 = 1,151.48/x
  3. Step 3: Cross multiply
    2,711.14x = 4,067.78 × 1,151.48
  4. Step 4: Simplify right side
    2,711.14x = 4,683,967.31
  5. Step 5: Solve for x
    x = 4,683,967.31/2,711.14
  6. Step 6: Final answer
    x = 1,727.67

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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.