Home / 4,246.45-6,361.38-2,781.16

Finding the Fourth Proportional to 4,246.45, 6,361.38 and 2,781.16

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Solution

The fourth proportional to 4,246.45, 6,361.38 and 2,781.16 is: 4,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.45 : 6,361.38 = 2,781.16 : x
  2. Step 2: Convert to fraction form
    4,246.45/6,361.38 = 2,781.16/x
  3. Step 3: Cross multiply
    4,246.45x = 6,361.38 × 2,781.16
  4. Step 4: Simplify right side
    4,246.45x = 17,691,999.70
  5. Step 5: Solve for x
    x = 17,691,999.70/4,246.45
  6. Step 6: Final answer
    x = 4,166.31

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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.