Home / 4,151.92-6,227.76-1,230.28

Finding the Fourth Proportional to 4,151.92, 6,227.76 and 1,230.28

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Solution

The fourth proportional to 4,151.92, 6,227.76 and 1,230.28 is: 1,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.92 : 6,227.76 = 1,230.28 : x
  2. Step 2: Convert to fraction form
    4,151.92/6,227.76 = 1,230.28/x
  3. Step 3: Cross multiply
    4,151.92x = 6,227.76 × 1,230.28
  4. Step 4: Simplify right side
    4,151.92x = 7,661,888.57
  5. Step 5: Solve for x
    x = 7,661,888.57/4,151.92
  6. Step 6: Final answer
    x = 1,845.38

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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.