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Finding the Fourth Proportional to 3,598.95, 5,398.29 and 2,540.42

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Solution

The fourth proportional to 3,598.95, 5,398.29 and 2,540.42 is: 3,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.95 : 5,398.29 = 2,540.42 : x
  2. Step 2: Convert to fraction form
    3,598.95/5,398.29 = 2,540.42/x
  3. Step 3: Cross multiply
    3,598.95x = 5,398.29 × 2,540.42
  4. Step 4: Simplify right side
    3,598.95x = 13,713,910.39
  5. Step 5: Solve for x
    x = 13,713,910.39/3,598.95
  6. Step 6: Final answer
    x = 3,810.54

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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.