Home / 7,940.46-11,910.57-2,746.38

Finding the Fourth Proportional to 7,940.46, 11,910.57 and 2,746.38

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Solution

The fourth proportional to 7,940.46, 11,910.57 and 2,746.38 is: 4,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.46 : 11,910.57 = 2,746.38 : x
  2. Step 2: Convert to fraction form
    7,940.46/11,910.57 = 2,746.38/x
  3. Step 3: Cross multiply
    7,940.46x = 11,910.57 × 2,746.38
  4. Step 4: Simplify right side
    7,940.46x = 32,710,951.24
  5. Step 5: Solve for x
    x = 32,710,951.24/7,940.46
  6. Step 6: Final answer
    x = 4,119.53

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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.