Home / 4,170.51-6,255.77-1,249.25

Finding the Fourth Proportional to 4,170.51, 6,255.77 and 1,249.25

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Solution

The fourth proportional to 4,170.51, 6,255.77 and 1,249.25 is: 1,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.51 : 6,255.77 = 1,249.25 : x
  2. Step 2: Convert to fraction form
    4,170.51/6,255.77 = 1,249.25/x
  3. Step 3: Cross multiply
    4,170.51x = 6,255.77 × 1,249.25
  4. Step 4: Simplify right side
    4,170.51x = 7,814,983.15
  5. Step 5: Solve for x
    x = 7,814,983.15/4,170.51
  6. Step 6: Final answer
    x = 1,873.87

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.