Home / 5,200.23-7,176.28-2,842.36

Finding the Fourth Proportional to 5,200.23, 7,176.28 and 2,842.36

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Solution

The fourth proportional to 5,200.23, 7,176.28 and 2,842.36 is: 3,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.23 : 7,176.28 = 2,842.36 : x
  2. Step 2: Convert to fraction form
    5,200.23/7,176.28 = 2,842.36/x
  3. Step 3: Cross multiply
    5,200.23x = 7,176.28 × 2,842.36
  4. Step 4: Simplify right side
    5,200.23x = 20,397,571.22
  5. Step 5: Solve for x
    x = 20,397,571.22/5,200.23
  6. Step 6: Final answer
    x = 3,922.44

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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.