Home / 5,200.99-7,177.35-2,843.13

Finding the Fourth Proportional to 5,200.99, 7,177.35 and 2,843.13

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Solution

The fourth proportional to 5,200.99, 7,177.35 and 2,843.13 is: 3,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.99 : 7,177.35 = 2,843.13 : x
  2. Step 2: Convert to fraction form
    5,200.99/7,177.35 = 2,843.13/x
  3. Step 3: Cross multiply
    5,200.99x = 7,177.35 × 2,843.13
  4. Step 4: Simplify right side
    5,200.99x = 20,406,124.89
  5. Step 5: Solve for x
    x = 20,406,124.89/5,200.99
  6. Step 6: Final answer
    x = 3,923.51

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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.