Home / 3,936.15-5,902.70-1,470.41

Finding the Fourth Proportional to 3,936.15, 5,902.70 and 1,470.41

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Solution

The fourth proportional to 3,936.15, 5,902.70 and 1,470.41 is: 2,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.15 : 5,902.70 = 1,470.41 : x
  2. Step 2: Convert to fraction form
    3,936.15/5,902.70 = 1,470.41/x
  3. Step 3: Cross multiply
    3,936.15x = 5,902.70 × 1,470.41
  4. Step 4: Simplify right side
    3,936.15x = 8,679,352.24
  5. Step 5: Solve for x
    x = 8,679,352.24/3,936.15
  6. Step 6: Final answer
    x = 2,205.04

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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.