Home / 3,679.34-5,077.50-2,000.66

Finding the Fourth Proportional to 3,679.34, 5,077.50 and 2,000.66

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Solution

The fourth proportional to 3,679.34, 5,077.50 and 2,000.66 is: 2,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.34 : 5,077.50 = 2,000.66 : x
  2. Step 2: Convert to fraction form
    3,679.34/5,077.50 = 2,000.66/x
  3. Step 3: Cross multiply
    3,679.34x = 5,077.50 × 2,000.66
  4. Step 4: Simplify right side
    3,679.34x = 10,158,351.15
  5. Step 5: Solve for x
    x = 10,158,351.15/3,679.34
  6. Step 6: Final answer
    x = 2,760.92

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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.