Home / 4,731.80-7,092.42-2,099.84

Finding the Fourth Proportional to 4,731.80, 7,092.42 and 2,099.84

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Solution

The fourth proportional to 4,731.80, 7,092.42 and 2,099.84 is: 3,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.80 : 7,092.42 = 2,099.84 : x
  2. Step 2: Convert to fraction form
    4,731.80/7,092.42 = 2,099.84/x
  3. Step 3: Cross multiply
    4,731.80x = 7,092.42 × 2,099.84
  4. Step 4: Simplify right side
    4,731.80x = 14,892,947.21
  5. Step 5: Solve for x
    x = 14,892,947.21/4,731.80
  6. Step 6: Final answer
    x = 3,147.42

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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.