Home / 3,754.98-5,181.75-2,076.12

Finding the Fourth Proportional to 3,754.98, 5,181.75 and 2,076.12

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Solution

The fourth proportional to 3,754.98, 5,181.75 and 2,076.12 is: 2,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.98 : 5,181.75 = 2,076.12 : x
  2. Step 2: Convert to fraction form
    3,754.98/5,181.75 = 2,076.12/x
  3. Step 3: Cross multiply
    3,754.98x = 5,181.75 × 2,076.12
  4. Step 4: Simplify right side
    3,754.98x = 10,757,934.81
  5. Step 5: Solve for x
    x = 10,757,934.81/3,754.98
  6. Step 6: Final answer
    x = 2,864.98

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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.