Home / 3,022.66-4,170.78-1,763.80

Finding the Fourth Proportional to 3,022.66, 4,170.78 and 1,763.80

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Solution

The fourth proportional to 3,022.66, 4,170.78 and 1,763.80 is: 2,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.66 : 4,170.78 = 1,763.80 : x
  2. Step 2: Convert to fraction form
    3,022.66/4,170.78 = 1,763.80/x
  3. Step 3: Cross multiply
    3,022.66x = 4,170.78 × 1,763.80
  4. Step 4: Simplify right side
    3,022.66x = 7,356,421.76
  5. Step 5: Solve for x
    x = 7,356,421.76/3,022.66
  6. Step 6: Final answer
    x = 2,433.76

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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.