Home / 5,447.48-7,519.25-3,209.32

Finding the Fourth Proportional to 5,447.48, 7,519.25 and 3,209.32

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Solution

The fourth proportional to 5,447.48, 7,519.25 and 3,209.32 is: 4,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.48 : 7,519.25 = 3,209.32 : x
  2. Step 2: Convert to fraction form
    5,447.48/7,519.25 = 3,209.32/x
  3. Step 3: Cross multiply
    5,447.48x = 7,519.25 × 3,209.32
  4. Step 4: Simplify right side
    5,447.48x = 24,131,625.77
  5. Step 5: Solve for x
    x = 24,131,625.77/5,447.48
  6. Step 6: Final answer
    x = 4,429.87

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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.