Home / 5,212.16-7,192.76-2,854.28

Finding the Fourth Proportional to 5,212.16, 7,192.76 and 2,854.28

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Solution

The fourth proportional to 5,212.16, 7,192.76 and 2,854.28 is: 3,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.16 : 7,192.76 = 2,854.28 : x
  2. Step 2: Convert to fraction form
    5,212.16/7,192.76 = 2,854.28/x
  3. Step 3: Cross multiply
    5,212.16x = 7,192.76 × 2,854.28
  4. Step 4: Simplify right side
    5,212.16x = 20,530,151.01
  5. Step 5: Solve for x
    x = 20,530,151.01/5,212.16
  6. Step 6: Final answer
    x = 3,938.90

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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.