Home / 3,878.48-5,817.08-3,224.56

Finding the Fourth Proportional to 3,878.48, 5,817.08 and 3,224.56

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Solution

The fourth proportional to 3,878.48, 5,817.08 and 3,224.56 is: 4,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.48 : 5,817.08 = 3,224.56 : x
  2. Step 2: Convert to fraction form
    3,878.48/5,817.08 = 3,224.56/x
  3. Step 3: Cross multiply
    3,878.48x = 5,817.08 × 3,224.56
  4. Step 4: Simplify right side
    3,878.48x = 18,757,523.48
  5. Step 5: Solve for x
    x = 18,757,523.48/3,878.48
  6. Step 6: Final answer
    x = 4,836.31

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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.