Home / 4,981.50-6,874.66-2,743.32

Finding the Fourth Proportional to 4,981.50, 6,874.66 and 2,743.32

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Solution

The fourth proportional to 4,981.50, 6,874.66 and 2,743.32 is: 3,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.50 : 6,874.66 = 2,743.32 : x
  2. Step 2: Convert to fraction form
    4,981.50/6,874.66 = 2,743.32/x
  3. Step 3: Cross multiply
    4,981.50x = 6,874.66 × 2,743.32
  4. Step 4: Simplify right side
    4,981.50x = 18,859,367.38
  5. Step 5: Solve for x
    x = 18,859,367.38/4,981.50
  6. Step 6: Final answer
    x = 3,785.88

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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.