Home / 3,486.28-5,231.60-3,473.52

Finding the Fourth Proportional to 3,486.28, 5,231.60 and 3,473.52

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Solution

The fourth proportional to 3,486.28, 5,231.60 and 3,473.52 is: 5,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.28 : 5,231.60 = 3,473.52 : x
  2. Step 2: Convert to fraction form
    3,486.28/5,231.60 = 3,473.52/x
  3. Step 3: Cross multiply
    3,486.28x = 5,231.60 × 3,473.52
  4. Step 4: Simplify right side
    3,486.28x = 18,172,049.86
  5. Step 5: Solve for x
    x = 18,172,049.86/3,486.28
  6. Step 6: Final answer
    x = 5,212.45

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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.