Home / 2,791.23-3,851.46-1,612.10

Finding the Fourth Proportional to 2,791.23, 3,851.46 and 1,612.10

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Solution

The fourth proportional to 2,791.23, 3,851.46 and 1,612.10 is: 2,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.23 : 3,851.46 = 1,612.10 : x
  2. Step 2: Convert to fraction form
    2,791.23/3,851.46 = 1,612.10/x
  3. Step 3: Cross multiply
    2,791.23x = 3,851.46 × 1,612.10
  4. Step 4: Simplify right side
    2,791.23x = 6,208,919.41
  5. Step 5: Solve for x
    x = 6,208,919.41/2,791.23
  6. Step 6: Final answer
    x = 2,224.44

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Double scale
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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.