Home / 3,365.88-4,644.78-2,040.12

Finding the Fourth Proportional to 3,365.88, 4,644.78 and 2,040.12

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Solution

The fourth proportional to 3,365.88, 4,644.78 and 2,040.12 is: 2,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.88 : 4,644.78 = 2,040.12 : x
  2. Step 2: Convert to fraction form
    3,365.88/4,644.78 = 2,040.12/x
  3. Step 3: Cross multiply
    3,365.88x = 4,644.78 × 2,040.12
  4. Step 4: Simplify right side
    3,365.88x = 9,475,908.57
  5. Step 5: Solve for x
    x = 9,475,908.57/3,365.88
  6. Step 6: Final answer
    x = 2,815.28

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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.