Home / 2,748.15-4,121.73-1,361.04

Finding the Fourth Proportional to 2,748.15, 4,121.73 and 1,361.04

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Solution

The fourth proportional to 2,748.15, 4,121.73 and 1,361.04 is: 2,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.15 : 4,121.73 = 1,361.04 : x
  2. Step 2: Convert to fraction form
    2,748.15/4,121.73 = 1,361.04/x
  3. Step 3: Cross multiply
    2,748.15x = 4,121.73 × 1,361.04
  4. Step 4: Simplify right side
    2,748.15x = 5,609,839.40
  5. Step 5: Solve for x
    x = 5,609,839.40/2,748.15
  6. Step 6: Final answer
    x = 2,041.31

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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.