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Finding the Fourth Proportional to 5,369, 8,056.74 and 2,291

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Solution

The fourth proportional to 5,369, 8,056.74 and 2,291 is: 3,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369 : 8,056.74 = 2,291 : x
  2. Step 2: Convert to fraction form
    5,369/8,056.74 = 2,291/x
  3. Step 3: Cross multiply
    5,369x = 8,056.74 × 2,291
  4. Step 4: Simplify right side
    5,369x = 18,457,991.34
  5. Step 5: Solve for x
    x = 18,457,991.34/5,369
  6. Step 6: Final answer
    x = 3,437.88

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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.