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Finding the Fourth Proportional to 3,968.04, 5,474.94 and 2,475.41

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Solution

The fourth proportional to 3,968.04, 5,474.94 and 2,475.41 is: 3,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.04 : 5,474.94 = 2,475.41 : x
  2. Step 2: Convert to fraction form
    3,968.04/5,474.94 = 2,475.41/x
  3. Step 3: Cross multiply
    3,968.04x = 5,474.94 × 2,475.41
  4. Step 4: Simplify right side
    3,968.04x = 13,552,729.29
  5. Step 5: Solve for x
    x = 13,552,729.29/3,968.04
  6. Step 6: Final answer
    x = 3,415.47

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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.