Home / 5,209.13-7,188.33-2,850.82

Finding the Fourth Proportional to 5,209.13, 7,188.33 and 2,850.82

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Solution

The fourth proportional to 5,209.13, 7,188.33 and 2,850.82 is: 3,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.13 : 7,188.33 = 2,850.82 : x
  2. Step 2: Convert to fraction form
    5,209.13/7,188.33 = 2,850.82/x
  3. Step 3: Cross multiply
    5,209.13x = 7,188.33 × 2,850.82
  4. Step 4: Simplify right side
    5,209.13x = 20,492,615.25
  5. Step 5: Solve for x
    x = 20,492,615.25/5,209.13
  6. Step 6: Final answer
    x = 3,933.98

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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.