Home / 5,200.13-7,176.18-2,842.26

Finding the Fourth Proportional to 5,200.13, 7,176.18 and 2,842.26

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Solution

The fourth proportional to 5,200.13, 7,176.18 and 2,842.26 is: 3,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.13 : 7,176.18 = 2,842.26 : x
  2. Step 2: Convert to fraction form
    5,200.13/7,176.18 = 2,842.26/x
  3. Step 3: Cross multiply
    5,200.13x = 7,176.18 × 2,842.26
  4. Step 4: Simplify right side
    5,200.13x = 20,396,569.37
  5. Step 5: Solve for x
    x = 20,396,569.37/5,200.13
  6. Step 6: Final answer
    x = 3,922.32

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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.