Home / 4,981.63-6,874.70-2,743.59

Finding the Fourth Proportional to 4,981.63, 6,874.70 and 2,743.59

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Solution

The fourth proportional to 4,981.63, 6,874.70 and 2,743.59 is: 3,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.63 : 6,874.70 = 2,743.59 : x
  2. Step 2: Convert to fraction form
    4,981.63/6,874.70 = 2,743.59/x
  3. Step 3: Cross multiply
    4,981.63x = 6,874.70 × 2,743.59
  4. Step 4: Simplify right side
    4,981.63x = 18,861,323.80
  5. Step 5: Solve for x
    x = 18,861,323.80/4,981.63
  6. Step 6: Final answer
    x = 3,786.18

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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.