Home / 7,178.36-10,767.42-2,247.95

Finding the Fourth Proportional to 7,178.36, 10,767.42 and 2,247.95

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Solution

The fourth proportional to 7,178.36, 10,767.42 and 2,247.95 is: 3,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.36 : 10,767.42 = 2,247.95 : x
  2. Step 2: Convert to fraction form
    7,178.36/10,767.42 = 2,247.95/x
  3. Step 3: Cross multiply
    7,178.36x = 10,767.42 × 2,247.95
  4. Step 4: Simplify right side
    7,178.36x = 24,204,621.79
  5. Step 5: Solve for x
    x = 24,204,621.79/7,178.36
  6. Step 6: Final answer
    x = 3,371.89

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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.