Home / 3,913.54-5,863.70-1,936.53

Finding the Fourth Proportional to 3,913.54, 5,863.70 and 1,936.53

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Solution

The fourth proportional to 3,913.54, 5,863.70 and 1,936.53 is: 2,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.54 : 5,863.70 = 1,936.53 : x
  2. Step 2: Convert to fraction form
    3,913.54/5,863.70 = 1,936.53/x
  3. Step 3: Cross multiply
    3,913.54x = 5,863.70 × 1,936.53
  4. Step 4: Simplify right side
    3,913.54x = 11,355,235.80
  5. Step 5: Solve for x
    x = 11,355,235.80/3,913.54
  6. Step 6: Final answer
    x = 2,901.53

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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.