Home / 3,618.82-5,423.76-2,060.11

Finding the Fourth Proportional to 3,618.82, 5,423.76 and 2,060.11

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Solution

The fourth proportional to 3,618.82, 5,423.76 and 2,060.11 is: 3,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.82 : 5,423.76 = 2,060.11 : x
  2. Step 2: Convert to fraction form
    3,618.82/5,423.76 = 2,060.11/x
  3. Step 3: Cross multiply
    3,618.82x = 5,423.76 × 2,060.11
  4. Step 4: Simplify right side
    3,618.82x = 11,173,542.21
  5. Step 5: Solve for x
    x = 11,173,542.21/3,618.82
  6. Step 6: Final answer
    x = 3,087.62

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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.