Home / 4,942.82-6,820.40-2,954.27

Finding the Fourth Proportional to 4,942.82, 6,820.40 and 2,954.27

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Solution

The fourth proportional to 4,942.82, 6,820.40 and 2,954.27 is: 4,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.82 : 6,820.40 = 2,954.27 : x
  2. Step 2: Convert to fraction form
    4,942.82/6,820.40 = 2,954.27/x
  3. Step 3: Cross multiply
    4,942.82x = 6,820.40 × 2,954.27
  4. Step 4: Simplify right side
    4,942.82x = 20,149,327.54
  5. Step 5: Solve for x
    x = 20,149,327.54/4,942.82
  6. Step 6: Final answer
    x = 4,076.48

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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.