Home / 3,874.44-5,346.77-2,106.10

Finding the Fourth Proportional to 3,874.44, 5,346.77 and 2,106.10

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Solution

The fourth proportional to 3,874.44, 5,346.77 and 2,106.10 is: 2,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.44 : 5,346.77 = 2,106.10 : x
  2. Step 2: Convert to fraction form
    3,874.44/5,346.77 = 2,106.10/x
  3. Step 3: Cross multiply
    3,874.44x = 5,346.77 × 2,106.10
  4. Step 4: Simplify right side
    3,874.44x = 11,260,832.30
  5. Step 5: Solve for x
    x = 11,260,832.30/3,874.44
  6. Step 6: Final answer
    x = 2,906.44

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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.