Home / 5,131.87-7,696.59-1,844.89

Finding the Fourth Proportional to 5,131.87, 7,696.59 and 1,844.89

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Solution

The fourth proportional to 5,131.87, 7,696.59 and 1,844.89 is: 2,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.87 : 7,696.59 = 1,844.89 : x
  2. Step 2: Convert to fraction form
    5,131.87/7,696.59 = 1,844.89/x
  3. Step 3: Cross multiply
    5,131.87x = 7,696.59 × 1,844.89
  4. Step 4: Simplify right side
    5,131.87x = 14,199,361.93
  5. Step 5: Solve for x
    x = 14,199,361.93/5,131.87
  6. Step 6: Final answer
    x = 2,766.90

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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.