Home / 4,147.06-6,219.78-1,373.22

Finding the Fourth Proportional to 4,147.06, 6,219.78 and 1,373.22

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Solution

The fourth proportional to 4,147.06, 6,219.78 and 1,373.22 is: 2,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.06 : 6,219.78 = 1,373.22 : x
  2. Step 2: Convert to fraction form
    4,147.06/6,219.78 = 1,373.22/x
  3. Step 3: Cross multiply
    4,147.06x = 6,219.78 × 1,373.22
  4. Step 4: Simplify right side
    4,147.06x = 8,541,126.29
  5. Step 5: Solve for x
    x = 8,541,126.29/4,147.06
  6. Step 6: Final answer
    x = 2,059.56

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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.