Home / 3,392.91-4,682.39-1,900.73

Finding the Fourth Proportional to 3,392.91, 4,682.39 and 1,900.73

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Solution

The fourth proportional to 3,392.91, 4,682.39 and 1,900.73 is: 2,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.91 : 4,682.39 = 1,900.73 : x
  2. Step 2: Convert to fraction form
    3,392.91/4,682.39 = 1,900.73/x
  3. Step 3: Cross multiply
    3,392.91x = 4,682.39 × 1,900.73
  4. Step 4: Simplify right side
    3,392.91x = 8,899,926.23
  5. Step 5: Solve for x
    x = 8,899,926.23/3,392.91
  6. Step 6: Final answer
    x = 2,623.10

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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.