Home / 3,022.44-4,170.16-1,903.92

Finding the Fourth Proportional to 3,022.44, 4,170.16 and 1,903.92

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Solution

The fourth proportional to 3,022.44, 4,170.16 and 1,903.92 is: 2,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.44 : 4,170.16 = 1,903.92 : x
  2. Step 2: Convert to fraction form
    3,022.44/4,170.16 = 1,903.92/x
  3. Step 3: Cross multiply
    3,022.44x = 4,170.16 × 1,903.92
  4. Step 4: Simplify right side
    3,022.44x = 7,939,651.03
  5. Step 5: Solve for x
    x = 7,939,651.03/3,022.44
  6. Step 6: Final answer
    x = 2,626.90

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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.