Home / 4,981.62-6,874.63-2,743.56

Finding the Fourth Proportional to 4,981.62, 6,874.63 and 2,743.56

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Solution

The fourth proportional to 4,981.62, 6,874.63 and 2,743.56 is: 3,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.62 : 6,874.63 = 2,743.56 : x
  2. Step 2: Convert to fraction form
    4,981.62/6,874.63 = 2,743.56/x
  3. Step 3: Cross multiply
    4,981.62x = 6,874.63 × 2,743.56
  4. Step 4: Simplify right side
    4,981.62x = 18,860,959.88
  5. Step 5: Solve for x
    x = 18,860,959.88/4,981.62
  6. Step 6: Final answer
    x = 3,786.11

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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.