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Finding the Fourth Proportional to 3,343.98, 5,013.54 and 1,396.74

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Solution

The fourth proportional to 3,343.98, 5,013.54 and 1,396.74 is: 2,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.98 : 5,013.54 = 1,396.74 : x
  2. Step 2: Convert to fraction form
    3,343.98/5,013.54 = 1,396.74/x
  3. Step 3: Cross multiply
    3,343.98x = 5,013.54 × 1,396.74
  4. Step 4: Simplify right side
    3,343.98x = 7,002,611.86
  5. Step 5: Solve for x
    x = 7,002,611.86/3,343.98
  6. Step 6: Final answer
    x = 2,094.10

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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.