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Finding the Fourth Proportional to 3,598.93, 5,388.43 and 1,840.15

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Solution

The fourth proportional to 3,598.93, 5,388.43 and 1,840.15 is: 2,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.93 : 5,388.43 = 1,840.15 : x
  2. Step 2: Convert to fraction form
    3,598.93/5,388.43 = 1,840.15/x
  3. Step 3: Cross multiply
    3,598.93x = 5,388.43 × 1,840.15
  4. Step 4: Simplify right side
    3,598.93x = 9,915,519.46
  5. Step 5: Solve for x
    x = 9,915,519.46/3,598.93
  6. Step 6: Final answer
    x = 2,755.13

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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.