Home / 3,902.61-5,848.84-2,974.75

Finding the Fourth Proportional to 3,902.61, 5,848.84 and 2,974.75

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Solution

The fourth proportional to 3,902.61, 5,848.84 and 2,974.75 is: 4,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.61 : 5,848.84 = 2,974.75 : x
  2. Step 2: Convert to fraction form
    3,902.61/5,848.84 = 2,974.75/x
  3. Step 3: Cross multiply
    3,902.61x = 5,848.84 × 2,974.75
  4. Step 4: Simplify right side
    3,902.61x = 17,398,836.79
  5. Step 5: Solve for x
    x = 17,398,836.79/3,902.61
  6. Step 6: Final answer
    x = 4,458.26

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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.