Home / 3,943.37-5,918.70-1,996.94

Finding the Fourth Proportional to 3,943.37, 5,918.70 and 1,996.94

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Solution

The fourth proportional to 3,943.37, 5,918.70 and 1,996.94 is: 2,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.37 : 5,918.70 = 1,996.94 : x
  2. Step 2: Convert to fraction form
    3,943.37/5,918.70 = 1,996.94/x
  3. Step 3: Cross multiply
    3,943.37x = 5,918.70 × 1,996.94
  4. Step 4: Simplify right side
    3,943.37x = 11,819,311.06
  5. Step 5: Solve for x
    x = 11,819,311.06/3,943.37
  6. Step 6: Final answer
    x = 2,997.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.