Home / 5,481.19-7,563.61-3,355.83

Finding the Fourth Proportional to 5,481.19, 7,563.61 and 3,355.83

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Solution

The fourth proportional to 5,481.19, 7,563.61 and 3,355.83 is: 4,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.19 : 7,563.61 = 3,355.83 : x
  2. Step 2: Convert to fraction form
    5,481.19/7,563.61 = 3,355.83/x
  3. Step 3: Cross multiply
    5,481.19x = 7,563.61 × 3,355.83
  4. Step 4: Simplify right side
    5,481.19x = 25,382,189.35
  5. Step 5: Solve for x
    x = 25,382,189.35/5,481.19
  6. Step 6: Final answer
    x = 4,630.78

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Half scale
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Double scale
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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.