Home / 5,823.20-8,037.72-3,961.28

Finding the Fourth Proportional to 5,823.20, 8,037.72 and 3,961.28

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Solution

The fourth proportional to 5,823.20, 8,037.72 and 3,961.28 is: 5,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823.20 : 8,037.72 = 3,961.28 : x
  2. Step 2: Convert to fraction form
    5,823.20/8,037.72 = 3,961.28/x
  3. Step 3: Cross multiply
    5,823.20x = 8,037.72 × 3,961.28
  4. Step 4: Simplify right side
    5,823.20x = 31,839,659.48
  5. Step 5: Solve for x
    x = 31,839,659.48/5,823.20
  6. Step 6: Final answer
    x = 5,467.73

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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.