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Finding the Fourth Proportional to 5,396.01, 8,102.93 and 4,079.76

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Solution

The fourth proportional to 5,396.01, 8,102.93 and 4,079.76 is: 6,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.01 : 8,102.93 = 4,079.76 : x
  2. Step 2: Convert to fraction form
    5,396.01/8,102.93 = 4,079.76/x
  3. Step 3: Cross multiply
    5,396.01x = 8,102.93 × 4,079.76
  4. Step 4: Simplify right side
    5,396.01x = 33,057,989.30
  5. Step 5: Solve for x
    x = 33,057,989.30/5,396.01
  6. Step 6: Final answer
    x = 6,126.38

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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.