Home / 3,238.50-4,853.78-1,677.61

Finding the Fourth Proportional to 3,238.50, 4,853.78 and 1,677.61

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Solution

The fourth proportional to 3,238.50, 4,853.78 and 1,677.61 is: 2,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.50 : 4,853.78 = 1,677.61 : x
  2. Step 2: Convert to fraction form
    3,238.50/4,853.78 = 1,677.61/x
  3. Step 3: Cross multiply
    3,238.50x = 4,853.78 × 1,677.61
  4. Step 4: Simplify right side
    3,238.50x = 8,142,753.84
  5. Step 5: Solve for x
    x = 8,142,753.84/3,238.50
  6. Step 6: Final answer
    x = 2,514.36

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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.