Home / 2,781.27-3,838.19-1,733.94

Finding the Fourth Proportional to 2,781.27, 3,838.19 and 1,733.94

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Solution

The fourth proportional to 2,781.27, 3,838.19 and 1,733.94 is: 2,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.27 : 3,838.19 = 1,733.94 : x
  2. Step 2: Convert to fraction form
    2,781.27/3,838.19 = 1,733.94/x
  3. Step 3: Cross multiply
    2,781.27x = 3,838.19 × 1,733.94
  4. Step 4: Simplify right side
    2,781.27x = 6,655,182.50
  5. Step 5: Solve for x
    x = 6,655,182.50/2,781.27
  6. Step 6: Final answer
    x = 2,392.86

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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.