Home / 2,082.41-3,135.92-1,811.77

Finding the Fourth Proportional to 2,082.41, 3,135.92 and 1,811.77

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Solution

The fourth proportional to 2,082.41, 3,135.92 and 1,811.77 is: 2,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.41 : 3,135.92 = 1,811.77 : x
  2. Step 2: Convert to fraction form
    2,082.41/3,135.92 = 1,811.77/x
  3. Step 3: Cross multiply
    2,082.41x = 3,135.92 × 1,811.77
  4. Step 4: Simplify right side
    2,082.41x = 5,681,548.88
  5. Step 5: Solve for x
    x = 5,681,548.88/2,082.41
  6. Step 6: Final answer
    x = 2,728.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.