Home / 3,961.12-5,940.60-1,497.28

Finding the Fourth Proportional to 3,961.12, 5,940.60 and 1,497.28

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Solution

The fourth proportional to 3,961.12, 5,940.60 and 1,497.28 is: 2,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.12 : 5,940.60 = 1,497.28 : x
  2. Step 2: Convert to fraction form
    3,961.12/5,940.60 = 1,497.28/x
  3. Step 3: Cross multiply
    3,961.12x = 5,940.60 × 1,497.28
  4. Step 4: Simplify right side
    3,961.12x = 8,894,741.57
  5. Step 5: Solve for x
    x = 8,894,741.57/3,961.12
  6. Step 6: Final answer
    x = 2,245.51

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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.