Home / 4,048.52-6,072.66-1,275.20

Finding the Fourth Proportional to 4,048.52, 6,072.66 and 1,275.20

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Solution

The fourth proportional to 4,048.52, 6,072.66 and 1,275.20 is: 1,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.52 : 6,072.66 = 1,275.20 : x
  2. Step 2: Convert to fraction form
    4,048.52/6,072.66 = 1,275.20/x
  3. Step 3: Cross multiply
    4,048.52x = 6,072.66 × 1,275.20
  4. Step 4: Simplify right side
    4,048.52x = 7,743,856.03
  5. Step 5: Solve for x
    x = 7,743,856.03/4,048.52
  6. Step 6: Final answer
    x = 1,912.76

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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.