Home / 3,893.13-5,369.69-2,475.43

Finding the Fourth Proportional to 3,893.13, 5,369.69 and 2,475.43

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Solution

The fourth proportional to 3,893.13, 5,369.69 and 2,475.43 is: 3,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.13 : 5,369.69 = 2,475.43 : x
  2. Step 2: Convert to fraction form
    3,893.13/5,369.69 = 2,475.43/x
  3. Step 3: Cross multiply
    3,893.13x = 5,369.69 × 2,475.43
  4. Step 4: Simplify right side
    3,893.13x = 13,292,284.48
  5. Step 5: Solve for x
    x = 13,292,284.48/3,893.13
  6. Step 6: Final answer
    x = 3,414.29

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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.