Home / 3,912.82-5,869.32-1,573.06

Finding the Fourth Proportional to 3,912.82, 5,869.32 and 1,573.06

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Solution

The fourth proportional to 3,912.82, 5,869.32 and 1,573.06 is: 2,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.82 : 5,869.32 = 1,573.06 : x
  2. Step 2: Convert to fraction form
    3,912.82/5,869.32 = 1,573.06/x
  3. Step 3: Cross multiply
    3,912.82x = 5,869.32 × 1,573.06
  4. Step 4: Simplify right side
    3,912.82x = 9,232,792.52
  5. Step 5: Solve for x
    x = 9,232,792.52/3,912.82
  6. Step 6: Final answer
    x = 2,359.63

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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.