Home / 4,787.70-7,176.60-3,468.21

Finding the Fourth Proportional to 4,787.70, 7,176.60 and 3,468.21

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Solution

The fourth proportional to 4,787.70, 7,176.60 and 3,468.21 is: 5,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.70 : 7,176.60 = 3,468.21 : x
  2. Step 2: Convert to fraction form
    4,787.70/7,176.60 = 3,468.21/x
  3. Step 3: Cross multiply
    4,787.70x = 7,176.60 × 3,468.21
  4. Step 4: Simplify right side
    4,787.70x = 24,889,955.89
  5. Step 5: Solve for x
    x = 24,889,955.89/4,787.70
  6. Step 6: Final answer
    x = 5,198.73

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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.