Home / 6,081.78-8,392.60-3,429.44

Finding the Fourth Proportional to 6,081.78, 8,392.60 and 3,429.44

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Solution

The fourth proportional to 6,081.78, 8,392.60 and 3,429.44 is: 4,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.78 : 8,392.60 = 3,429.44 : x
  2. Step 2: Convert to fraction form
    6,081.78/8,392.60 = 3,429.44/x
  3. Step 3: Cross multiply
    6,081.78x = 8,392.60 × 3,429.44
  4. Step 4: Simplify right side
    6,081.78x = 28,781,880.47
  5. Step 5: Solve for x
    x = 28,781,880.47/6,081.78
  6. Step 6: Final answer
    x = 4,732.48

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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.