Home / 3,022.20-4,174.83-2,864.55

Finding the Fourth Proportional to 3,022.20, 4,174.83 and 2,864.55

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Solution

The fourth proportional to 3,022.20, 4,174.83 and 2,864.55 is: 3,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.20 : 4,174.83 = 2,864.55 : x
  2. Step 2: Convert to fraction form
    3,022.20/4,174.83 = 2,864.55/x
  3. Step 3: Cross multiply
    3,022.20x = 4,174.83 × 2,864.55
  4. Step 4: Simplify right side
    3,022.20x = 11,959,009.28
  5. Step 5: Solve for x
    x = 11,959,009.28/3,022.20
  6. Step 6: Final answer
    x = 3,957.05

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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.