Home / 5,930.78-8,184.13-3,278.03

Finding the Fourth Proportional to 5,930.78, 8,184.13 and 3,278.03

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Solution

The fourth proportional to 5,930.78, 8,184.13 and 3,278.03 is: 4,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.78 : 8,184.13 = 3,278.03 : x
  2. Step 2: Convert to fraction form
    5,930.78/8,184.13 = 3,278.03/x
  3. Step 3: Cross multiply
    5,930.78x = 8,184.13 × 3,278.03
  4. Step 4: Simplify right side
    5,930.78x = 26,827,844.12
  5. Step 5: Solve for x
    x = 26,827,844.12/5,930.78
  6. Step 6: Final answer
    x = 4,523.49

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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.