Home / 4,180.92-5,766.94-2,820.48

Finding the Fourth Proportional to 4,180.92, 5,766.94 and 2,820.48

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Solution

The fourth proportional to 4,180.92, 5,766.94 and 2,820.48 is: 3,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.92 : 5,766.94 = 2,820.48 : x
  2. Step 2: Convert to fraction form
    4,180.92/5,766.94 = 2,820.48/x
  3. Step 3: Cross multiply
    4,180.92x = 5,766.94 × 2,820.48
  4. Step 4: Simplify right side
    4,180.92x = 16,265,538.93
  5. Step 5: Solve for x
    x = 16,265,538.93/4,180.92
  6. Step 6: Final answer
    x = 3,890.42

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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.