Home / 6,916.89-10,375.37-1,722.77

Finding the Fourth Proportional to 6,916.89, 10,375.37 and 1,722.77

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Solution

The fourth proportional to 6,916.89, 10,375.37 and 1,722.77 is: 2,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.89 : 10,375.37 = 1,722.77 : x
  2. Step 2: Convert to fraction form
    6,916.89/10,375.37 = 1,722.77/x
  3. Step 3: Cross multiply
    6,916.89x = 10,375.37 × 1,722.77
  4. Step 4: Simplify right side
    6,916.89x = 17,874,361.05
  5. Step 5: Solve for x
    x = 17,874,361.05/6,916.89
  6. Step 6: Final answer
    x = 2,584.16

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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.