Home / 4,990.35-7,475.94-2,792.41

Finding the Fourth Proportional to 4,990.35, 7,475.94 and 2,792.41

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Solution

The fourth proportional to 4,990.35, 7,475.94 and 2,792.41 is: 4,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.35 : 7,475.94 = 2,792.41 : x
  2. Step 2: Convert to fraction form
    4,990.35/7,475.94 = 2,792.41/x
  3. Step 3: Cross multiply
    4,990.35x = 7,475.94 × 2,792.41
  4. Step 4: Simplify right side
    4,990.35x = 20,875,889.62
  5. Step 5: Solve for x
    x = 20,875,889.62/4,990.35
  6. Step 6: Final answer
    x = 4,183.25

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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.