Home / 3,971.28-5,954.98-1,197.43

Finding the Fourth Proportional to 3,971.28, 5,954.98 and 1,197.43

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Solution

The fourth proportional to 3,971.28, 5,954.98 and 1,197.43 is: 1,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.28 : 5,954.98 = 1,197.43 : x
  2. Step 2: Convert to fraction form
    3,971.28/5,954.98 = 1,197.43/x
  3. Step 3: Cross multiply
    3,971.28x = 5,954.98 × 1,197.43
  4. Step 4: Simplify right side
    3,971.28x = 7,130,671.70
  5. Step 5: Solve for x
    x = 7,130,671.70/3,971.28
  6. Step 6: Final answer
    x = 1,795.56

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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.