Home / 4,981.35-6,874.38-2,743.35

Finding the Fourth Proportional to 4,981.35, 6,874.38 and 2,743.35

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Solution

The fourth proportional to 4,981.35, 6,874.38 and 2,743.35 is: 3,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.35 : 6,874.38 = 2,743.35 : x
  2. Step 2: Convert to fraction form
    4,981.35/6,874.38 = 2,743.35/x
  3. Step 3: Cross multiply
    4,981.35x = 6,874.38 × 2,743.35
  4. Step 4: Simplify right side
    4,981.35x = 18,858,830.37
  5. Step 5: Solve for x
    x = 18,858,830.37/4,981.35
  6. Step 6: Final answer
    x = 3,785.89

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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.