Home / 4,981.36-6,874.38-2,743.24

Finding the Fourth Proportional to 4,981.36, 6,874.38 and 2,743.24

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Solution

The fourth proportional to 4,981.36, 6,874.38 and 2,743.24 is: 3,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.36 : 6,874.38 = 2,743.24 : x
  2. Step 2: Convert to fraction form
    4,981.36/6,874.38 = 2,743.24/x
  3. Step 3: Cross multiply
    4,981.36x = 6,874.38 × 2,743.24
  4. Step 4: Simplify right side
    4,981.36x = 18,858,074.19
  5. Step 5: Solve for x
    x = 18,858,074.19/4,981.36
  6. Step 6: Final answer
    x = 3,785.73

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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.