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Finding the Fourth Proportional to 5,207.88, 7,186.88 and 2,850.04

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Solution

The fourth proportional to 5,207.88, 7,186.88 and 2,850.04 is: 3,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.88 : 7,186.88 = 2,850.04 : x
  2. Step 2: Convert to fraction form
    5,207.88/7,186.88 = 2,850.04/x
  3. Step 3: Cross multiply
    5,207.88x = 7,186.88 × 2,850.04
  4. Step 4: Simplify right side
    5,207.88x = 20,482,895.48
  5. Step 5: Solve for x
    x = 20,482,895.48/5,207.88
  6. Step 6: Final answer
    x = 3,933.06

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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.