Home / 1,936.03-2,669.14-1,539.02

Finding the Fourth Proportional to 1,936.03, 2,669.14 and 1,539.02

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Solution

The fourth proportional to 1,936.03, 2,669.14 and 1,539.02 is: 2,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.03 : 2,669.14 = 1,539.02 : x
  2. Step 2: Convert to fraction form
    1,936.03/2,669.14 = 1,539.02/x
  3. Step 3: Cross multiply
    1,936.03x = 2,669.14 × 1,539.02
  4. Step 4: Simplify right side
    1,936.03x = 4,107,850.34
  5. Step 5: Solve for x
    x = 4,107,850.34/1,936.03
  6. Step 6: Final answer
    x = 2,121.79

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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.