Home / 5,921.75-8,171.91-3,269.09

Finding the Fourth Proportional to 5,921.75, 8,171.91 and 3,269.09

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Solution

The fourth proportional to 5,921.75, 8,171.91 and 3,269.09 is: 4,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.75 : 8,171.91 = 3,269.09 : x
  2. Step 2: Convert to fraction form
    5,921.75/8,171.91 = 3,269.09/x
  3. Step 3: Cross multiply
    5,921.75x = 8,171.91 × 3,269.09
  4. Step 4: Simplify right side
    5,921.75x = 26,714,668.40
  5. Step 5: Solve for x
    x = 26,714,668.40/5,921.75
  6. Step 6: Final answer
    x = 4,511.28

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1.5x scale

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.