Home / 5,418.26-7,477.21-2,934.26

Finding the Fourth Proportional to 5,418.26, 7,477.21 and 2,934.26

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Solution

The fourth proportional to 5,418.26, 7,477.21 and 2,934.26 is: 4,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.26 : 7,477.21 = 2,934.26 : x
  2. Step 2: Convert to fraction form
    5,418.26/7,477.21 = 2,934.26/x
  3. Step 3: Cross multiply
    5,418.26x = 7,477.21 × 2,934.26
  4. Step 4: Simplify right side
    5,418.26x = 21,940,078.21
  5. Step 5: Solve for x
    x = 21,940,078.21/5,418.26
  6. Step 6: Final answer
    x = 4,049.28

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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.