Home / 3,863.24-5,791.43-1,670.77

Finding the Fourth Proportional to 3,863.24, 5,791.43 and 1,670.77

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Solution

The fourth proportional to 3,863.24, 5,791.43 and 1,670.77 is: 2,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.24 : 5,791.43 = 1,670.77 : x
  2. Step 2: Convert to fraction form
    3,863.24/5,791.43 = 1,670.77/x
  3. Step 3: Cross multiply
    3,863.24x = 5,791.43 × 1,670.77
  4. Step 4: Simplify right side
    3,863.24x = 9,676,137.20
  5. Step 5: Solve for x
    x = 9,676,137.20/3,863.24
  6. Step 6: Final answer
    x = 2,504.67

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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.