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Finding the Fourth Proportional to 5,866.70, 8,096.22 and 3,214.28

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Solution

The fourth proportional to 5,866.70, 8,096.22 and 3,214.28 is: 4,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.70 : 8,096.22 = 3,214.28 : x
  2. Step 2: Convert to fraction form
    5,866.70/8,096.22 = 3,214.28/x
  3. Step 3: Cross multiply
    5,866.70x = 8,096.22 × 3,214.28
  4. Step 4: Simplify right side
    5,866.70x = 26,023,538.26
  5. Step 5: Solve for x
    x = 26,023,538.26/5,866.70
  6. Step 6: Final answer
    x = 4,435.81

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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.