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Finding the Fourth Proportional to 5,766.21, 7,957.46 and 3,408.36

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Solution

The fourth proportional to 5,766.21, 7,957.46 and 3,408.36 is: 4,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.21 : 7,957.46 = 3,408.36 : x
  2. Step 2: Convert to fraction form
    5,766.21/7,957.46 = 3,408.36/x
  3. Step 3: Cross multiply
    5,766.21x = 7,957.46 × 3,408.36
  4. Step 4: Simplify right side
    5,766.21x = 27,121,888.37
  5. Step 5: Solve for x
    x = 27,121,888.37/5,766.21
  6. Step 6: Final answer
    x = 4,703.59

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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.