Home / 5,556.77-7,669.17-3,198.45

Finding the Fourth Proportional to 5,556.77, 7,669.17 and 3,198.45

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Solution

The fourth proportional to 5,556.77, 7,669.17 and 3,198.45 is: 4,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.77 : 7,669.17 = 3,198.45 : x
  2. Step 2: Convert to fraction form
    5,556.77/7,669.17 = 3,198.45/x
  3. Step 3: Cross multiply
    5,556.77x = 7,669.17 × 3,198.45
  4. Step 4: Simplify right side
    5,556.77x = 24,529,456.79
  5. Step 5: Solve for x
    x = 24,529,456.79/5,556.77
  6. Step 6: Final answer
    x = 4,414.34

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1.5x scale

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.