Home / 3,848.38-5,311.71-2,356.02

Finding the Fourth Proportional to 3,848.38, 5,311.71 and 2,356.02

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Solution

The fourth proportional to 3,848.38, 5,311.71 and 2,356.02 is: 3,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.38 : 5,311.71 = 2,356.02 : x
  2. Step 2: Convert to fraction form
    3,848.38/5,311.71 = 2,356.02/x
  3. Step 3: Cross multiply
    3,848.38x = 5,311.71 × 2,356.02
  4. Step 4: Simplify right side
    3,848.38x = 12,514,494.99
  5. Step 5: Solve for x
    x = 12,514,494.99/3,848.38
  6. Step 6: Final answer
    x = 3,251.89

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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.