Home / 3,945.44-5,443.73-2,351.08

Finding the Fourth Proportional to 3,945.44, 5,443.73 and 2,351.08

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Solution

The fourth proportional to 3,945.44, 5,443.73 and 2,351.08 is: 3,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.44 : 5,443.73 = 2,351.08 : x
  2. Step 2: Convert to fraction form
    3,945.44/5,443.73 = 2,351.08/x
  3. Step 3: Cross multiply
    3,945.44x = 5,443.73 × 2,351.08
  4. Step 4: Simplify right side
    3,945.44x = 12,798,619.36
  5. Step 5: Solve for x
    x = 12,798,619.36/3,945.44
  6. Step 6: Final answer
    x = 3,243.91

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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.