Home / 4,987.06-6,882.04-2,749.14

Finding the Fourth Proportional to 4,987.06, 6,882.04 and 2,749.14

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Solution

The fourth proportional to 4,987.06, 6,882.04 and 2,749.14 is: 3,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.06 : 6,882.04 = 2,749.14 : x
  2. Step 2: Convert to fraction form
    4,987.06/6,882.04 = 2,749.14/x
  3. Step 3: Cross multiply
    4,987.06x = 6,882.04 × 2,749.14
  4. Step 4: Simplify right side
    4,987.06x = 18,919,691.45
  5. Step 5: Solve for x
    x = 18,919,691.45/4,987.06
  6. Step 6: Final answer
    x = 3,793.76

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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.