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Finding the Fourth Proportional to 5,197.98, 7,173.11 and 2,929.34

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Solution

The fourth proportional to 5,197.98, 7,173.11 and 2,929.34 is: 4,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.98 : 7,173.11 = 2,929.34 : x
  2. Step 2: Convert to fraction form
    5,197.98/7,173.11 = 2,929.34/x
  3. Step 3: Cross multiply
    5,197.98x = 7,173.11 × 2,929.34
  4. Step 4: Simplify right side
    5,197.98x = 21,012,478.05
  5. Step 5: Solve for x
    x = 21,012,478.05/5,197.98
  6. Step 6: Final answer
    x = 4,042.43

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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.