Home / 5,217.21-7,198.88-3,448.17

Finding the Fourth Proportional to 5,217.21, 7,198.88 and 3,448.17

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Solution

The fourth proportional to 5,217.21, 7,198.88 and 3,448.17 is: 4,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.21 : 7,198.88 = 3,448.17 : x
  2. Step 2: Convert to fraction form
    5,217.21/7,198.88 = 3,448.17/x
  3. Step 3: Cross multiply
    5,217.21x = 7,198.88 × 3,448.17
  4. Step 4: Simplify right side
    5,217.21x = 24,822,944.81
  5. Step 5: Solve for x
    x = 24,822,944.81/5,217.21
  6. Step 6: Final answer
    x = 4,757.90

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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.