Home / 3,664.66-5,057.23-1,986.06

Finding the Fourth Proportional to 3,664.66, 5,057.23 and 1,986.06

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Solution

The fourth proportional to 3,664.66, 5,057.23 and 1,986.06 is: 2,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.66 : 5,057.23 = 1,986.06 : x
  2. Step 2: Convert to fraction form
    3,664.66/5,057.23 = 1,986.06/x
  3. Step 3: Cross multiply
    3,664.66x = 5,057.23 × 1,986.06
  4. Step 4: Simplify right side
    3,664.66x = 10,043,957.25
  5. Step 5: Solve for x
    x = 10,043,957.25/3,664.66
  6. Step 6: Final answer
    x = 2,740.76

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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.