Home / 3,896.08-5,845.68-1,587.04

Finding the Fourth Proportional to 3,896.08, 5,845.68 and 1,587.04

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Solution

The fourth proportional to 3,896.08, 5,845.68 and 1,587.04 is: 2,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.08 : 5,845.68 = 1,587.04 : x
  2. Step 2: Convert to fraction form
    3,896.08/5,845.68 = 1,587.04/x
  3. Step 3: Cross multiply
    3,896.08x = 5,845.68 × 1,587.04
  4. Step 4: Simplify right side
    3,896.08x = 9,277,327.99
  5. Step 5: Solve for x
    x = 9,277,327.99/3,896.08
  6. Step 6: Final answer
    x = 2,381.20

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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.