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Finding the Fourth Proportional to 4,532.20, 6,791 and 2,797.18

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Solution

The fourth proportional to 4,532.20, 6,791 and 2,797.18 is: 4,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,532.20 : 6,791 = 2,797.18 : x
  2. Step 2: Convert to fraction form
    4,532.20/6,791 = 2,797.18/x
  3. Step 3: Cross multiply
    4,532.20x = 6,791 × 2,797.18
  4. Step 4: Simplify right side
    4,532.20x = 18,995,649.38
  5. Step 5: Solve for x
    x = 18,995,649.38/4,532.20
  6. Step 6: Final answer
    x = 4,191.26

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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.