Home / 5,940.78-8,198.47-3,288.43

Finding the Fourth Proportional to 5,940.78, 8,198.47 and 3,288.43

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Solution

The fourth proportional to 5,940.78, 8,198.47 and 3,288.43 is: 4,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.78 : 8,198.47 = 3,288.43 : x
  2. Step 2: Convert to fraction form
    5,940.78/8,198.47 = 3,288.43/x
  3. Step 3: Cross multiply
    5,940.78x = 8,198.47 × 3,288.43
  4. Step 4: Simplify right side
    5,940.78x = 26,960,094.70
  5. Step 5: Solve for x
    x = 26,960,094.70/5,940.78
  6. Step 6: Final answer
    x = 4,538.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.