Home / 1,939.53-2,676.18-1,193.25

Finding the Fourth Proportional to 1,939.53, 2,676.18 and 1,193.25

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Solution

The fourth proportional to 1,939.53, 2,676.18 and 1,193.25 is: 1,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.53 : 2,676.18 = 1,193.25 : x
  2. Step 2: Convert to fraction form
    1,939.53/2,676.18 = 1,193.25/x
  3. Step 3: Cross multiply
    1,939.53x = 2,676.18 × 1,193.25
  4. Step 4: Simplify right side
    1,939.53x = 3,193,351.79
  5. Step 5: Solve for x
    x = 3,193,351.79/1,939.53
  6. Step 6: Final answer
    x = 1,646.46

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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.