Home / 3,051.93-4,211.37-2,255.75

Finding the Fourth Proportional to 3,051.93, 4,211.37 and 2,255.75

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Solution

The fourth proportional to 3,051.93, 4,211.37 and 2,255.75 is: 3,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.93 : 4,211.37 = 2,255.75 : x
  2. Step 2: Convert to fraction form
    3,051.93/4,211.37 = 2,255.75/x
  3. Step 3: Cross multiply
    3,051.93x = 4,211.37 × 2,255.75
  4. Step 4: Simplify right side
    3,051.93x = 9,499,797.88
  5. Step 5: Solve for x
    x = 9,499,797.88/3,051.93
  6. Step 6: Final answer
    x = 3,112.72

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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.