Home / 3,183.15-4,392.80-1,766.94

Finding the Fourth Proportional to 3,183.15, 4,392.80 and 1,766.94

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Solution

The fourth proportional to 3,183.15, 4,392.80 and 1,766.94 is: 2,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.15 : 4,392.80 = 1,766.94 : x
  2. Step 2: Convert to fraction form
    3,183.15/4,392.80 = 1,766.94/x
  3. Step 3: Cross multiply
    3,183.15x = 4,392.80 × 1,766.94
  4. Step 4: Simplify right side
    3,183.15x = 7,761,805.29
  5. Step 5: Solve for x
    x = 7,761,805.29/3,183.15
  6. Step 6: Final answer
    x = 2,438.40

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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.