Home / 3,953.38-5,939.80-2,976.52

Finding the Fourth Proportional to 3,953.38, 5,939.80 and 2,976.52

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Solution

The fourth proportional to 3,953.38, 5,939.80 and 2,976.52 is: 4,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.38 : 5,939.80 = 2,976.52 : x
  2. Step 2: Convert to fraction form
    3,953.38/5,939.80 = 2,976.52/x
  3. Step 3: Cross multiply
    3,953.38x = 5,939.80 × 2,976.52
  4. Step 4: Simplify right side
    3,953.38x = 17,679,933.50
  5. Step 5: Solve for x
    x = 17,679,933.50/3,953.38
  6. Step 6: Final answer
    x = 4,472.11

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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.