Home / 5,114.60-7,052.90-3,622.12

Finding the Fourth Proportional to 5,114.60, 7,052.90 and 3,622.12

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Solution

The fourth proportional to 5,114.60, 7,052.90 and 3,622.12 is: 4,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.60 : 7,052.90 = 3,622.12 : x
  2. Step 2: Convert to fraction form
    5,114.60/7,052.90 = 3,622.12/x
  3. Step 3: Cross multiply
    5,114.60x = 7,052.90 × 3,622.12
  4. Step 4: Simplify right side
    5,114.60x = 25,546,450.15
  5. Step 5: Solve for x
    x = 25,546,450.15/5,114.60
  6. Step 6: Final answer
    x = 4,994.81

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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.