Home / 4,440.66-6,128.04-2,451.21

Finding the Fourth Proportional to 4,440.66, 6,128.04 and 2,451.21

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Solution

The fourth proportional to 4,440.66, 6,128.04 and 2,451.21 is: 3,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.66 : 6,128.04 = 2,451.21 : x
  2. Step 2: Convert to fraction form
    4,440.66/6,128.04 = 2,451.21/x
  3. Step 3: Cross multiply
    4,440.66x = 6,128.04 × 2,451.21
  4. Step 4: Simplify right side
    4,440.66x = 15,021,112.93
  5. Step 5: Solve for x
    x = 15,021,112.93/4,440.66
  6. Step 6: Final answer
    x = 3,382.63

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Half scale
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Double scale
Find fourth proportional to 4,441.66, 6,129.42 and 2,452.21
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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.