Home / 4,129.62-5,698.86-2,241.21

Finding the Fourth Proportional to 4,129.62, 5,698.86 and 2,241.21

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Solution

The fourth proportional to 4,129.62, 5,698.86 and 2,241.21 is: 3,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.62 : 5,698.86 = 2,241.21 : x
  2. Step 2: Convert to fraction form
    4,129.62/5,698.86 = 2,241.21/x
  3. Step 3: Cross multiply
    4,129.62x = 5,698.86 × 2,241.21
  4. Step 4: Simplify right side
    4,129.62x = 12,772,342.02
  5. Step 5: Solve for x
    x = 12,772,342.02/4,129.62
  6. Step 6: Final answer
    x = 3,092.86

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Half 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.