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Finding the Fourth Proportional to 5,465.57, 8,186.02 and 3,829.42

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Solution

The fourth proportional to 5,465.57, 8,186.02 and 3,829.42 is: 5,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.57 : 8,186.02 = 3,829.42 : x
  2. Step 2: Convert to fraction form
    5,465.57/8,186.02 = 3,829.42/x
  3. Step 3: Cross multiply
    5,465.57x = 8,186.02 × 3,829.42
  4. Step 4: Simplify right side
    5,465.57x = 31,347,697.11
  5. Step 5: Solve for x
    x = 31,347,697.11/5,465.57
  6. Step 6: Final answer
    x = 5,735.49

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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.