Home / 5,217.29-7,199.88-2,827.27

Finding the Fourth Proportional to 5,217.29, 7,199.88 and 2,827.27

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Solution

The fourth proportional to 5,217.29, 7,199.88 and 2,827.27 is: 3,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.29 : 7,199.88 = 2,827.27 : x
  2. Step 2: Convert to fraction form
    5,217.29/7,199.88 = 2,827.27/x
  3. Step 3: Cross multiply
    5,217.29x = 7,199.88 × 2,827.27
  4. Step 4: Simplify right side
    5,217.29x = 20,355,997.33
  5. Step 5: Solve for x
    x = 20,355,997.33/5,217.29
  6. Step 6: Final answer
    x = 3,901.64

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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.