Home / 2,922.20-4,029.96-2,284.22

Finding the Fourth Proportional to 2,922.20, 4,029.96 and 2,284.22

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Solution

The fourth proportional to 2,922.20, 4,029.96 and 2,284.22 is: 3,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.20 : 4,029.96 = 2,284.22 : x
  2. Step 2: Convert to fraction form
    2,922.20/4,029.96 = 2,284.22/x
  3. Step 3: Cross multiply
    2,922.20x = 4,029.96 × 2,284.22
  4. Step 4: Simplify right side
    2,922.20x = 9,205,305.91
  5. Step 5: Solve for x
    x = 9,205,305.91/2,922.20
  6. Step 6: Final answer
    x = 3,150.13

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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.