Home / 3,481.89-5,222.36-1,260.48

Finding the Fourth Proportional to 3,481.89, 5,222.36 and 1,260.48

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Solution

The fourth proportional to 3,481.89, 5,222.36 and 1,260.48 is: 1,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.89 : 5,222.36 = 1,260.48 : x
  2. Step 2: Convert to fraction form
    3,481.89/5,222.36 = 1,260.48/x
  3. Step 3: Cross multiply
    3,481.89x = 5,222.36 × 1,260.48
  4. Step 4: Simplify right side
    3,481.89x = 6,582,674.03
  5. Step 5: Solve for x
    x = 6,582,674.03/3,481.89
  6. Step 6: Final answer
    x = 1,890.55

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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.