Home / 5,778.01-7,974.21-3,682

Finding the Fourth Proportional to 5,778.01, 7,974.21 and 3,682

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Solution

The fourth proportional to 5,778.01, 7,974.21 and 3,682 is: 5,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.01 : 7,974.21 = 3,682 : x
  2. Step 2: Convert to fraction form
    5,778.01/7,974.21 = 3,682/x
  3. Step 3: Cross multiply
    5,778.01x = 7,974.21 × 3,682
  4. Step 4: Simplify right side
    5,778.01x = 29,361,041.22
  5. Step 5: Solve for x
    x = 29,361,041.22/5,778.01
  6. Step 6: Final answer
    x = 5,081.51

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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.