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Finding the Fourth Proportional to 3,739.92, 5,160.56 and 2,342.67

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Solution

The fourth proportional to 3,739.92, 5,160.56 and 2,342.67 is: 3,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.92 : 5,160.56 = 2,342.67 : x
  2. Step 2: Convert to fraction form
    3,739.92/5,160.56 = 2,342.67/x
  3. Step 3: Cross multiply
    3,739.92x = 5,160.56 × 2,342.67
  4. Step 4: Simplify right side
    3,739.92x = 12,089,477.38
  5. Step 5: Solve for x
    x = 12,089,477.38/3,739.92
  6. Step 6: Final answer
    x = 3,232.55

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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.