Home / 3,860.31-5,331.02-3,297.50

Finding the Fourth Proportional to 3,860.31, 5,331.02 and 3,297.50

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Solution

The fourth proportional to 3,860.31, 5,331.02 and 3,297.50 is: 4,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.31 : 5,331.02 = 3,297.50 : x
  2. Step 2: Convert to fraction form
    3,860.31/5,331.02 = 3,297.50/x
  3. Step 3: Cross multiply
    3,860.31x = 5,331.02 × 3,297.50
  4. Step 4: Simplify right side
    3,860.31x = 17,579,015.30
  5. Step 5: Solve for x
    x = 17,579,015.30/3,860.31
  6. Step 6: Final answer
    x = 4,553.78

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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.