Home / 4,943.05-6,821.20-2,704.78

Finding the Fourth Proportional to 4,943.05, 6,821.20 and 2,704.78

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Solution

The fourth proportional to 4,943.05, 6,821.20 and 2,704.78 is: 3,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.05 : 6,821.20 = 2,704.78 : x
  2. Step 2: Convert to fraction form
    4,943.05/6,821.20 = 2,704.78/x
  3. Step 3: Cross multiply
    4,943.05x = 6,821.20 × 2,704.78
  4. Step 4: Simplify right side
    4,943.05x = 18,449,829.34
  5. Step 5: Solve for x
    x = 18,449,829.34/4,943.05
  6. Step 6: Final answer
    x = 3,732.48

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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.