Home / 1,996.48-2,754.78-1,241.02

Finding the Fourth Proportional to 1,996.48, 2,754.78 and 1,241.02

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Solution

The fourth proportional to 1,996.48, 2,754.78 and 1,241.02 is: 1,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.48 : 2,754.78 = 1,241.02 : x
  2. Step 2: Convert to fraction form
    1,996.48/2,754.78 = 1,241.02/x
  3. Step 3: Cross multiply
    1,996.48x = 2,754.78 × 1,241.02
  4. Step 4: Simplify right side
    1,996.48x = 3,418,737.08
  5. Step 5: Solve for x
    x = 3,418,737.08/1,996.48
  6. Step 6: Final answer
    x = 1,712.38

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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.