Home / 3,481.78-5,222.61-1,173.28

Finding the Fourth Proportional to 3,481.78, 5,222.61 and 1,173.28

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Solution

The fourth proportional to 3,481.78, 5,222.61 and 1,173.28 is: 1,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.78 : 5,222.61 = 1,173.28 : x
  2. Step 2: Convert to fraction form
    3,481.78/5,222.61 = 1,173.28/x
  3. Step 3: Cross multiply
    3,481.78x = 5,222.61 × 1,173.28
  4. Step 4: Simplify right side
    3,481.78x = 6,127,583.86
  5. Step 5: Solve for x
    x = 6,127,583.86/3,481.78
  6. Step 6: Final answer
    x = 1,759.90

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1.5x scale

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.