Home / 3,849.36-5,766.97-3,434.28

Finding the Fourth Proportional to 3,849.36, 5,766.97 and 3,434.28

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Solution

The fourth proportional to 3,849.36, 5,766.97 and 3,434.28 is: 5,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.36 : 5,766.97 = 3,434.28 : x
  2. Step 2: Convert to fraction form
    3,849.36/5,766.97 = 3,434.28/x
  3. Step 3: Cross multiply
    3,849.36x = 5,766.97 × 3,434.28
  4. Step 4: Simplify right side
    3,849.36x = 19,805,389.73
  5. Step 5: Solve for x
    x = 19,805,389.73/3,849.36
  6. Step 6: Final answer
    x = 5,145.11

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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.