Home / 3,840.13-5,753.44-1,863.06

Finding the Fourth Proportional to 3,840.13, 5,753.44 and 1,863.06

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Solution

The fourth proportional to 3,840.13, 5,753.44 and 1,863.06 is: 2,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.13 : 5,753.44 = 1,863.06 : x
  2. Step 2: Convert to fraction form
    3,840.13/5,753.44 = 1,863.06/x
  3. Step 3: Cross multiply
    3,840.13x = 5,753.44 × 1,863.06
  4. Step 4: Simplify right side
    3,840.13x = 10,719,003.93
  5. Step 5: Solve for x
    x = 10,719,003.93/3,840.13
  6. Step 6: Final answer
    x = 2,791.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.