Home / 5,921.64-8,876.31-2,636.28

Finding the Fourth Proportional to 5,921.64, 8,876.31 and 2,636.28

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Solution

The fourth proportional to 5,921.64, 8,876.31 and 2,636.28 is: 3,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.64 : 8,876.31 = 2,636.28 : x
  2. Step 2: Convert to fraction form
    5,921.64/8,876.31 = 2,636.28/x
  3. Step 3: Cross multiply
    5,921.64x = 8,876.31 × 2,636.28
  4. Step 4: Simplify right side
    5,921.64x = 23,400,438.53
  5. Step 5: Solve for x
    x = 23,400,438.53/5,921.64
  6. Step 6: Final answer
    x = 3,951.68

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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.