Home / 4,151.66-6,227.55-1,230.80

Finding the Fourth Proportional to 4,151.66, 6,227.55 and 1,230.80

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Solution

The fourth proportional to 4,151.66, 6,227.55 and 1,230.80 is: 1,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.66 : 6,227.55 = 1,230.80 : x
  2. Step 2: Convert to fraction form
    4,151.66/6,227.55 = 1,230.80/x
  3. Step 3: Cross multiply
    4,151.66x = 6,227.55 × 1,230.80
  4. Step 4: Simplify right side
    4,151.66x = 7,664,837.40
  5. Step 5: Solve for x
    x = 7,664,837.40/4,151.66
  6. Step 6: Final answer
    x = 1,846.21

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.