Home / 3,085.58-4,255.70-2,022.18

Finding the Fourth Proportional to 3,085.58, 4,255.70 and 2,022.18

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Solution

The fourth proportional to 3,085.58, 4,255.70 and 2,022.18 is: 2,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.58 : 4,255.70 = 2,022.18 : x
  2. Step 2: Convert to fraction form
    3,085.58/4,255.70 = 2,022.18/x
  3. Step 3: Cross multiply
    3,085.58x = 4,255.70 × 2,022.18
  4. Step 4: Simplify right side
    3,085.58x = 8,605,791.43
  5. Step 5: Solve for x
    x = 8,605,791.43/3,085.58
  6. Step 6: Final answer
    x = 2,789.04

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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.