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Finding the Fourth Proportional to 4,797.38, 6,620.45 and 2,934.38

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Solution

The fourth proportional to 4,797.38, 6,620.45 and 2,934.38 is: 4,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.38 : 6,620.45 = 2,934.38 : x
  2. Step 2: Convert to fraction form
    4,797.38/6,620.45 = 2,934.38/x
  3. Step 3: Cross multiply
    4,797.38x = 6,620.45 × 2,934.38
  4. Step 4: Simplify right side
    4,797.38x = 19,426,868.30
  5. Step 5: Solve for x
    x = 19,426,868.30/4,797.38
  6. Step 6: Final answer
    x = 4,049.48

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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.