Home / 3,927.24-5,378.85-3,700.04

Finding the Fourth Proportional to 3,927.24, 5,378.85 and 3,700.04

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Solution

The fourth proportional to 3,927.24, 5,378.85 and 3,700.04 is: 5,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.24 : 5,378.85 = 3,700.04 : x
  2. Step 2: Convert to fraction form
    3,927.24/5,378.85 = 3,700.04/x
  3. Step 3: Cross multiply
    3,927.24x = 5,378.85 × 3,700.04
  4. Step 4: Simplify right side
    3,927.24x = 19,901,933.26
  5. Step 5: Solve for x
    x = 19,901,933.26/3,927.24
  6. Step 6: Final answer
    x = 5,067.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.