Home / 4,987.04-6,882.14-2,749.13

Finding the Fourth Proportional to 4,987.04, 6,882.14 and 2,749.13

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Solution

The fourth proportional to 4,987.04, 6,882.14 and 2,749.13 is: 3,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.04 : 6,882.14 = 2,749.13 : x
  2. Step 2: Convert to fraction form
    4,987.04/6,882.14 = 2,749.13/x
  3. Step 3: Cross multiply
    4,987.04x = 6,882.14 × 2,749.13
  4. Step 4: Simplify right side
    4,987.04x = 18,919,849.38
  5. Step 5: Solve for x
    x = 18,919,849.38/4,987.04
  6. Step 6: Final answer
    x = 3,793.81

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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.