Home / 3,897.49-5,371.58-2,951.01

Finding the Fourth Proportional to 3,897.49, 5,371.58 and 2,951.01

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Solution

The fourth proportional to 3,897.49, 5,371.58 and 2,951.01 is: 4,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.49 : 5,371.58 = 2,951.01 : x
  2. Step 2: Convert to fraction form
    3,897.49/5,371.58 = 2,951.01/x
  3. Step 3: Cross multiply
    3,897.49x = 5,371.58 × 2,951.01
  4. Step 4: Simplify right side
    3,897.49x = 15,851,571.54
  5. Step 5: Solve for x
    x = 15,851,571.54/3,897.49
  6. Step 6: Final answer
    x = 4,067.13

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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.