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Finding the Fourth Proportional to 5,207.55, 7,805.17 and 2,741.10

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Solution

The fourth proportional to 5,207.55, 7,805.17 and 2,741.10 is: 4,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.55 : 7,805.17 = 2,741.10 : x
  2. Step 2: Convert to fraction form
    5,207.55/7,805.17 = 2,741.10/x
  3. Step 3: Cross multiply
    5,207.55x = 7,805.17 × 2,741.10
  4. Step 4: Simplify right side
    5,207.55x = 21,394,751.49
  5. Step 5: Solve for x
    x = 21,394,751.49/5,207.55
  6. Step 6: Final answer
    x = 4,108.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.