Home / 5,396.97-7,447.77-3,039.15

Finding the Fourth Proportional to 5,396.97, 7,447.77 and 3,039.15

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Solution

The fourth proportional to 5,396.97, 7,447.77 and 3,039.15 is: 4,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.97 : 7,447.77 = 3,039.15 : x
  2. Step 2: Convert to fraction form
    5,396.97/7,447.77 = 3,039.15/x
  3. Step 3: Cross multiply
    5,396.97x = 7,447.77 × 3,039.15
  4. Step 4: Simplify right side
    5,396.97x = 22,634,890.20
  5. Step 5: Solve for x
    x = 22,634,890.20/5,396.97
  6. Step 6: Final answer
    x = 4,194.00

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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.