Home / 5,082.11-7,623.16-2,158.37

Finding the Fourth Proportional to 5,082.11, 7,623.16 and 2,158.37

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Solution

The fourth proportional to 5,082.11, 7,623.16 and 2,158.37 is: 3,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.11 : 7,623.16 = 2,158.37 : x
  2. Step 2: Convert to fraction form
    5,082.11/7,623.16 = 2,158.37/x
  3. Step 3: Cross multiply
    5,082.11x = 7,623.16 × 2,158.37
  4. Step 4: Simplify right side
    5,082.11x = 16,453,556.34
  5. Step 5: Solve for x
    x = 16,453,556.34/5,082.11
  6. Step 6: Final answer
    x = 3,237.55

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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.