Home / 4,114.42-6,172.20-1,340.56

Finding the Fourth Proportional to 4,114.42, 6,172.20 and 1,340.56

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Solution

The fourth proportional to 4,114.42, 6,172.20 and 1,340.56 is: 2,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.42 : 6,172.20 = 1,340.56 : x
  2. Step 2: Convert to fraction form
    4,114.42/6,172.20 = 1,340.56/x
  3. Step 3: Cross multiply
    4,114.42x = 6,172.20 × 1,340.56
  4. Step 4: Simplify right side
    4,114.42x = 8,274,204.43
  5. Step 5: Solve for x
    x = 8,274,204.43/4,114.42
  6. Step 6: Final answer
    x = 2,011.03

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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.