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Finding the Fourth Proportional to 6,374.26, 8,797.16 and 3,857.76

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Solution

The fourth proportional to 6,374.26, 8,797.16 and 3,857.76 is: 5,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.26 : 8,797.16 = 3,857.76 : x
  2. Step 2: Convert to fraction form
    6,374.26/8,797.16 = 3,857.76/x
  3. Step 3: Cross multiply
    6,374.26x = 8,797.16 × 3,857.76
  4. Step 4: Simplify right side
    6,374.26x = 33,937,331.96
  5. Step 5: Solve for x
    x = 33,937,331.96/6,374.26
  6. Step 6: Final answer
    x = 5,324.12

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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.