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Finding the Fourth Proportional to 5,755.99, 7,943.18 and 3,238.10

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Solution

The fourth proportional to 5,755.99, 7,943.18 and 3,238.10 is: 4,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.99 : 7,943.18 = 3,238.10 : x
  2. Step 2: Convert to fraction form
    5,755.99/7,943.18 = 3,238.10/x
  3. Step 3: Cross multiply
    5,755.99x = 7,943.18 × 3,238.10
  4. Step 4: Simplify right side
    5,755.99x = 25,720,807.95
  5. Step 5: Solve for x
    x = 25,720,807.95/5,755.99
  6. Step 6: Final answer
    x = 4,468.53

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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.