Home / 5,217.14-7,199.41-2,859.23

Finding the Fourth Proportional to 5,217.14, 7,199.41 and 2,859.23

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Solution

The fourth proportional to 5,217.14, 7,199.41 and 2,859.23 is: 3,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.14 : 7,199.41 = 2,859.23 : x
  2. Step 2: Convert to fraction form
    5,217.14/7,199.41 = 2,859.23/x
  3. Step 3: Cross multiply
    5,217.14x = 7,199.41 × 2,859.23
  4. Step 4: Simplify right side
    5,217.14x = 20,584,751.06
  5. Step 5: Solve for x
    x = 20,584,751.06/5,217.14
  6. Step 6: Final answer
    x = 3,945.60

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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.