Home / 1,936.92-2,671.20-1,273.54

Finding the Fourth Proportional to 1,936.92, 2,671.20 and 1,273.54

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Solution

The fourth proportional to 1,936.92, 2,671.20 and 1,273.54 is: 1,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.92 : 2,671.20 = 1,273.54 : x
  2. Step 2: Convert to fraction form
    1,936.92/2,671.20 = 1,273.54/x
  3. Step 3: Cross multiply
    1,936.92x = 2,671.20 × 1,273.54
  4. Step 4: Simplify right side
    1,936.92x = 3,401,880.05
  5. Step 5: Solve for x
    x = 3,401,880.05/1,936.92
  6. Step 6: Final answer
    x = 1,756.33

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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.