Home / 3,754.41-5,180.94-2,075.78

Finding the Fourth Proportional to 3,754.41, 5,180.94 and 2,075.78

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Solution

The fourth proportional to 3,754.41, 5,180.94 and 2,075.78 is: 2,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.41 : 5,180.94 = 2,075.78 : x
  2. Step 2: Convert to fraction form
    3,754.41/5,180.94 = 2,075.78/x
  3. Step 3: Cross multiply
    3,754.41x = 5,180.94 × 2,075.78
  4. Step 4: Simplify right side
    3,754.41x = 10,754,465.73
  5. Step 5: Solve for x
    x = 10,754,465.73/3,754.41
  6. Step 6: Final answer
    x = 2,864.49

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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.