Home / 3,872.36-5,774.50-3,837.26

Finding the Fourth Proportional to 3,872.36, 5,774.50 and 3,837.26

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Solution

The fourth proportional to 3,872.36, 5,774.50 and 3,837.26 is: 5,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.36 : 5,774.50 = 3,837.26 : x
  2. Step 2: Convert to fraction form
    3,872.36/5,774.50 = 3,837.26/x
  3. Step 3: Cross multiply
    3,872.36x = 5,774.50 × 3,837.26
  4. Step 4: Simplify right side
    3,872.36x = 22,158,257.87
  5. Step 5: Solve for x
    x = 22,158,257.87/3,872.36
  6. Step 6: Final answer
    x = 5,722.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.