Home / 3,388.43-4,676.19-1,896.32

Finding the Fourth Proportional to 3,388.43, 4,676.19 and 1,896.32

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Solution

The fourth proportional to 3,388.43, 4,676.19 and 1,896.32 is: 2,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.43 : 4,676.19 = 1,896.32 : x
  2. Step 2: Convert to fraction form
    3,388.43/4,676.19 = 1,896.32/x
  3. Step 3: Cross multiply
    3,388.43x = 4,676.19 × 1,896.32
  4. Step 4: Simplify right side
    3,388.43x = 8,867,552.62
  5. Step 5: Solve for x
    x = 8,867,552.62/3,388.43
  6. Step 6: Final answer
    x = 2,617.01

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Half scale
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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.