Home / 3,679.11-5,077.13-2,000.48

Finding the Fourth Proportional to 3,679.11, 5,077.13 and 2,000.48

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Solution

The fourth proportional to 3,679.11, 5,077.13 and 2,000.48 is: 2,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.11 : 5,077.13 = 2,000.48 : x
  2. Step 2: Convert to fraction form
    3,679.11/5,077.13 = 2,000.48/x
  3. Step 3: Cross multiply
    3,679.11x = 5,077.13 × 2,000.48
  4. Step 4: Simplify right side
    3,679.11x = 10,156,661.63
  5. Step 5: Solve for x
    x = 10,156,661.63/3,679.11
  6. Step 6: Final answer
    x = 2,760.63

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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.