Home / 4,951.86-6,833.80-2,856.66

Finding the Fourth Proportional to 4,951.86, 6,833.80 and 2,856.66

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Solution

The fourth proportional to 4,951.86, 6,833.80 and 2,856.66 is: 3,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.86 : 6,833.80 = 2,856.66 : x
  2. Step 2: Convert to fraction form
    4,951.86/6,833.80 = 2,856.66/x
  3. Step 3: Cross multiply
    4,951.86x = 6,833.80 × 2,856.66
  4. Step 4: Simplify right side
    4,951.86x = 19,521,843.11
  5. Step 5: Solve for x
    x = 19,521,843.11/4,951.86
  6. Step 6: Final answer
    x = 3,942.33

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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.