Home / 4,441.72-6,128.22-2,578.36

Finding the Fourth Proportional to 4,441.72, 6,128.22 and 2,578.36

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Solution

The fourth proportional to 4,441.72, 6,128.22 and 2,578.36 is: 3,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.72 : 6,128.22 = 2,578.36 : x
  2. Step 2: Convert to fraction form
    4,441.72/6,128.22 = 2,578.36/x
  3. Step 3: Cross multiply
    4,441.72x = 6,128.22 × 2,578.36
  4. Step 4: Simplify right side
    4,441.72x = 15,800,757.32
  5. Step 5: Solve for x
    x = 15,800,757.32/4,441.72
  6. Step 6: Final answer
    x = 3,557.35

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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.