Home / 3,754.38-5,181.00-2,075.66

Finding the Fourth Proportional to 3,754.38, 5,181.00 and 2,075.66

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Solution

The fourth proportional to 3,754.38, 5,181.00 and 2,075.66 is: 2,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.38 : 5,181.00 = 2,075.66 : x
  2. Step 2: Convert to fraction form
    3,754.38/5,181.00 = 2,075.66/x
  3. Step 3: Cross multiply
    3,754.38x = 5,181.00 × 2,075.66
  4. Step 4: Simplify right side
    3,754.38x = 10,753,980.20
  5. Step 5: Solve for x
    x = 10,753,980.20/3,754.38
  6. Step 6: Final answer
    x = 2,864.38

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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.