Home / 3,231.60-4,847.40-3,092.19

Finding the Fourth Proportional to 3,231.60, 4,847.40 and 3,092.19

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Solution

The fourth proportional to 3,231.60, 4,847.40 and 3,092.19 is: 4,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.60 : 4,847.40 = 3,092.19 : x
  2. Step 2: Convert to fraction form
    3,231.60/4,847.40 = 3,092.19/x
  3. Step 3: Cross multiply
    3,231.60x = 4,847.40 × 3,092.19
  4. Step 4: Simplify right side
    3,231.60x = 14,989,081.81
  5. Step 5: Solve for x
    x = 14,989,081.81/3,231.60
  6. Step 6: Final answer
    x = 4,638.29

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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.