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Finding the Fourth Proportional to 3,754.00, 5,180.30 and 2,075.30

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Solution

The fourth proportional to 3,754.00, 5,180.30 and 2,075.30 is: 2,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.00 : 5,180.30 = 2,075.30 : x
  2. Step 2: Convert to fraction form
    3,754.00/5,180.30 = 2,075.30/x
  3. Step 3: Cross multiply
    3,754.00x = 5,180.30 × 2,075.30
  4. Step 4: Simplify right side
    3,754.00x = 10,750,679.16
  5. Step 5: Solve for x
    x = 10,750,679.16/3,754.00
  6. Step 6: Final answer
    x = 2,863.79

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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.