Home / 3,512.41-4,847.11-1,940.51

Finding the Fourth Proportional to 3,512.41, 4,847.11 and 1,940.51

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Solution

The fourth proportional to 3,512.41, 4,847.11 and 1,940.51 is: 2,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.41 : 4,847.11 = 1,940.51 : x
  2. Step 2: Convert to fraction form
    3,512.41/4,847.11 = 1,940.51/x
  3. Step 3: Cross multiply
    3,512.41x = 4,847.11 × 1,940.51
  4. Step 4: Simplify right side
    3,512.41x = 9,405,872.69
  5. Step 5: Solve for x
    x = 9,405,872.69/3,512.41
  6. Step 6: Final answer
    x = 2,677.90

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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.