Home / 4,987.62-7,481.40-2,062.68

Finding the Fourth Proportional to 4,987.62, 7,481.40 and 2,062.68

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Solution

The fourth proportional to 4,987.62, 7,481.40 and 2,062.68 is: 3,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.62 : 7,481.40 = 2,062.68 : x
  2. Step 2: Convert to fraction form
    4,987.62/7,481.40 = 2,062.68/x
  3. Step 3: Cross multiply
    4,987.62x = 7,481.40 × 2,062.68
  4. Step 4: Simplify right side
    4,987.62x = 15,431,734.15
  5. Step 5: Solve for x
    x = 15,431,734.15/4,987.62
  6. Step 6: Final answer
    x = 3,094.01

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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.