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Finding the Fourth Proportional to 3,896.04, 5,846.22 and 1,587

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Solution

The fourth proportional to 3,896.04, 5,846.22 and 1,587 is: 2,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.04 : 5,846.22 = 1,587 : x
  2. Step 2: Convert to fraction form
    3,896.04/5,846.22 = 1,587/x
  3. Step 3: Cross multiply
    3,896.04x = 5,846.22 × 1,587
  4. Step 4: Simplify right side
    3,896.04x = 9,277,951.14
  5. Step 5: Solve for x
    x = 9,277,951.14/3,896.04
  6. Step 6: Final answer
    x = 2,381.38

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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.