Home / 2,922.72-4,386.18-2,194.26

Finding the Fourth Proportional to 2,922.72, 4,386.18 and 2,194.26

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Solution

The fourth proportional to 2,922.72, 4,386.18 and 2,194.26 is: 3,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.72 : 4,386.18 = 2,194.26 : x
  2. Step 2: Convert to fraction form
    2,922.72/4,386.18 = 2,194.26/x
  3. Step 3: Cross multiply
    2,922.72x = 4,386.18 × 2,194.26
  4. Step 4: Simplify right side
    2,922.72x = 9,624,419.33
  5. Step 5: Solve for x
    x = 9,624,419.33/2,922.72
  6. Step 6: Final answer
    x = 3,292.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.