Home / 5,072.93-7,611.82-1,787.57

Finding the Fourth Proportional to 5,072.93, 7,611.82 and 1,787.57

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Solution

The fourth proportional to 5,072.93, 7,611.82 and 1,787.57 is: 2,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.93 : 7,611.82 = 1,787.57 : x
  2. Step 2: Convert to fraction form
    5,072.93/7,611.82 = 1,787.57/x
  3. Step 3: Cross multiply
    5,072.93x = 7,611.82 × 1,787.57
  4. Step 4: Simplify right side
    5,072.93x = 13,606,657.15
  5. Step 5: Solve for x
    x = 13,606,657.15/5,072.93
  6. Step 6: Final answer
    x = 2,682.21

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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.