Home / 5,396.88-7,447.72-3,039.06

Finding the Fourth Proportional to 5,396.88, 7,447.72 and 3,039.06

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Solution

The fourth proportional to 5,396.88, 7,447.72 and 3,039.06 is: 4,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.88 : 7,447.72 = 3,039.06 : x
  2. Step 2: Convert to fraction form
    5,396.88/7,447.72 = 3,039.06/x
  3. Step 3: Cross multiply
    5,396.88x = 7,447.72 × 3,039.06
  4. Step 4: Simplify right side
    5,396.88x = 22,634,067.94
  5. Step 5: Solve for x
    x = 22,634,067.94/5,396.88
  6. Step 6: Final answer
    x = 4,193.92

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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.