Home / 3,513.24-4,843.80-2,881.44

Finding the Fourth Proportional to 3,513.24, 4,843.80 and 2,881.44

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Solution

The fourth proportional to 3,513.24, 4,843.80 and 2,881.44 is: 3,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.24 : 4,843.80 = 2,881.44 : x
  2. Step 2: Convert to fraction form
    3,513.24/4,843.80 = 2,881.44/x
  3. Step 3: Cross multiply
    3,513.24x = 4,843.80 × 2,881.44
  4. Step 4: Simplify right side
    3,513.24x = 13,957,119.07
  5. Step 5: Solve for x
    x = 13,957,119.07/3,513.24
  6. Step 6: Final answer
    x = 3,972.72

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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.