Home / 4,171.72-6,222.26-3,619.52

Finding the Fourth Proportional to 4,171.72, 6,222.26 and 3,619.52

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Solution

The fourth proportional to 4,171.72, 6,222.26 and 3,619.52 is: 5,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.72 : 6,222.26 = 3,619.52 : x
  2. Step 2: Convert to fraction form
    4,171.72/6,222.26 = 3,619.52/x
  3. Step 3: Cross multiply
    4,171.72x = 6,222.26 × 3,619.52
  4. Step 4: Simplify right side
    4,171.72x = 22,521,594.52
  5. Step 5: Solve for x
    x = 22,521,594.52/4,171.72
  6. Step 6: Final answer
    x = 5,398.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.