Home / 4,111.08-6,166.71-1,921.38

Finding the Fourth Proportional to 4,111.08, 6,166.71 and 1,921.38

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Solution

The fourth proportional to 4,111.08, 6,166.71 and 1,921.38 is: 2,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.08 : 6,166.71 = 1,921.38 : x
  2. Step 2: Convert to fraction form
    4,111.08/6,166.71 = 1,921.38/x
  3. Step 3: Cross multiply
    4,111.08x = 6,166.71 × 1,921.38
  4. Step 4: Simplify right side
    4,111.08x = 11,848,593.26
  5. Step 5: Solve for x
    x = 11,848,593.26/4,111.08
  6. Step 6: Final answer
    x = 2,882.11

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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.