Home / 3,886.41-5,362.33-2,207.44

Finding the Fourth Proportional to 3,886.41, 5,362.33 and 2,207.44

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Solution

The fourth proportional to 3,886.41, 5,362.33 and 2,207.44 is: 3,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.41 : 5,362.33 = 2,207.44 : x
  2. Step 2: Convert to fraction form
    3,886.41/5,362.33 = 2,207.44/x
  3. Step 3: Cross multiply
    3,886.41x = 5,362.33 × 2,207.44
  4. Step 4: Simplify right side
    3,886.41x = 11,837,021.74
  5. Step 5: Solve for x
    x = 11,837,021.74/3,886.41
  6. Step 6: Final answer
    x = 3,045.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.