Home / 5,180.94-7,149.60-2,823.03

Finding the Fourth Proportional to 5,180.94, 7,149.60 and 2,823.03

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Solution

The fourth proportional to 5,180.94, 7,149.60 and 2,823.03 is: 3,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.94 : 7,149.60 = 2,823.03 : x
  2. Step 2: Convert to fraction form
    5,180.94/7,149.60 = 2,823.03/x
  3. Step 3: Cross multiply
    5,180.94x = 7,149.60 × 2,823.03
  4. Step 4: Simplify right side
    5,180.94x = 20,183,535.29
  5. Step 5: Solve for x
    x = 20,183,535.29/5,180.94
  6. Step 6: Final answer
    x = 3,895.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.