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Finding the Fourth Proportional to 3,580.94, 5,370.06 and 1,731.44

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Solution

The fourth proportional to 3,580.94, 5,370.06 and 1,731.44 is: 2,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.94 : 5,370.06 = 1,731.44 : x
  2. Step 2: Convert to fraction form
    3,580.94/5,370.06 = 1,731.44/x
  3. Step 3: Cross multiply
    3,580.94x = 5,370.06 × 1,731.44
  4. Step 4: Simplify right side
    3,580.94x = 9,297,936.69
  5. Step 5: Solve for x
    x = 9,297,936.69/3,580.94
  6. Step 6: Final answer
    x = 2,596.51

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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.