Home / 5,208.96-7,188.33-2,851.14

Finding the Fourth Proportional to 5,208.96, 7,188.33 and 2,851.14

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Solution

The fourth proportional to 5,208.96, 7,188.33 and 2,851.14 is: 3,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.96 : 7,188.33 = 2,851.14 : x
  2. Step 2: Convert to fraction form
    5,208.96/7,188.33 = 2,851.14/x
  3. Step 3: Cross multiply
    5,208.96x = 7,188.33 × 2,851.14
  4. Step 4: Simplify right side
    5,208.96x = 20,494,935.20
  5. Step 5: Solve for x
    x = 20,494,935.20/5,208.96
  6. Step 6: Final answer
    x = 3,934.55

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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.