Home / 4,910.52-7,367.40-3,871.02

Finding the Fourth Proportional to 4,910.52, 7,367.40 and 3,871.02

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Solution

The fourth proportional to 4,910.52, 7,367.40 and 3,871.02 is: 5,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.52 : 7,367.40 = 3,871.02 : x
  2. Step 2: Convert to fraction form
    4,910.52/7,367.40 = 3,871.02/x
  3. Step 3: Cross multiply
    4,910.52x = 7,367.40 × 3,871.02
  4. Step 4: Simplify right side
    4,910.52x = 28,519,352.75
  5. Step 5: Solve for x
    x = 28,519,352.75/4,910.52
  6. Step 6: Final answer
    x = 5,807.81

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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.