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Finding the Fourth Proportional to 3,593.99, 5,390.41 and 1,840.30

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Solution

The fourth proportional to 3,593.99, 5,390.41 and 1,840.30 is: 2,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.99 : 5,390.41 = 1,840.30 : x
  2. Step 2: Convert to fraction form
    3,593.99/5,390.41 = 1,840.30/x
  3. Step 3: Cross multiply
    3,593.99x = 5,390.41 × 1,840.30
  4. Step 4: Simplify right side
    3,593.99x = 9,919,971.52
  5. Step 5: Solve for x
    x = 9,919,971.52/3,593.99
  6. Step 6: Final answer
    x = 2,760.16

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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.