Home / 3,922.16-5,876.60-1,945.14

Finding the Fourth Proportional to 3,922.16, 5,876.60 and 1,945.14

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Solution

The fourth proportional to 3,922.16, 5,876.60 and 1,945.14 is: 2,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.16 : 5,876.60 = 1,945.14 : x
  2. Step 2: Convert to fraction form
    3,922.16/5,876.60 = 1,945.14/x
  3. Step 3: Cross multiply
    3,922.16x = 5,876.60 × 1,945.14
  4. Step 4: Simplify right side
    3,922.16x = 11,430,809.72
  5. Step 5: Solve for x
    x = 11,430,809.72/3,922.16
  6. Step 6: Final answer
    x = 2,914.42

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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.