Home / 3,512.25-4,846.95-1,940.49

Finding the Fourth Proportional to 3,512.25, 4,846.95 and 1,940.49

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Solution

The fourth proportional to 3,512.25, 4,846.95 and 1,940.49 is: 2,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.25 : 4,846.95 = 1,940.49 : x
  2. Step 2: Convert to fraction form
    3,512.25/4,846.95 = 1,940.49/x
  3. Step 3: Cross multiply
    3,512.25x = 4,846.95 × 1,940.49
  4. Step 4: Simplify right side
    3,512.25x = 9,405,458.01
  5. Step 5: Solve for x
    x = 9,405,458.01/3,512.25
  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.