Home / 3,754.14-5,177.57-2,812.15

Finding the Fourth Proportional to 3,754.14, 5,177.57 and 2,812.15

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Solution

The fourth proportional to 3,754.14, 5,177.57 and 2,812.15 is: 3,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.14 : 5,177.57 = 2,812.15 : x
  2. Step 2: Convert to fraction form
    3,754.14/5,177.57 = 2,812.15/x
  3. Step 3: Cross multiply
    3,754.14x = 5,177.57 × 2,812.15
  4. Step 4: Simplify right side
    3,754.14x = 14,560,077.59
  5. Step 5: Solve for x
    x = 14,560,077.59/3,754.14
  6. Step 6: Final answer
    x = 3,878.41

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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.