Home / 4,927.82-6,800.27-2,689.74

Finding the Fourth Proportional to 4,927.82, 6,800.27 and 2,689.74

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Solution

The fourth proportional to 4,927.82, 6,800.27 and 2,689.74 is: 3,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.82 : 6,800.27 = 2,689.74 : x
  2. Step 2: Convert to fraction form
    4,927.82/6,800.27 = 2,689.74/x
  3. Step 3: Cross multiply
    4,927.82x = 6,800.27 × 2,689.74
  4. Step 4: Simplify right side
    4,927.82x = 18,290,944.78
  5. Step 5: Solve for x
    x = 18,290,944.78/4,927.82
  6. Step 6: Final answer
    x = 3,711.78

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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.