Home / 3,183.22-4,392.93-1,766.98

Finding the Fourth Proportional to 3,183.22, 4,392.93 and 1,766.98

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Solution

The fourth proportional to 3,183.22, 4,392.93 and 1,766.98 is: 2,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.22 : 4,392.93 = 1,766.98 : x
  2. Step 2: Convert to fraction form
    3,183.22/4,392.93 = 1,766.98/x
  3. Step 3: Cross multiply
    3,183.22x = 4,392.93 × 1,766.98
  4. Step 4: Simplify right side
    3,183.22x = 7,762,219.45
  5. Step 5: Solve for x
    x = 7,762,219.45/3,183.22
  6. Step 6: Final answer
    x = 2,438.48

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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.