Home / 2,270.73-3,133.58-1,276.01

Finding the Fourth Proportional to 2,270.73, 3,133.58 and 1,276.01

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Solution

The fourth proportional to 2,270.73, 3,133.58 and 1,276.01 is: 1,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.73 : 3,133.58 = 1,276.01 : x
  2. Step 2: Convert to fraction form
    2,270.73/3,133.58 = 1,276.01/x
  3. Step 3: Cross multiply
    2,270.73x = 3,133.58 × 1,276.01
  4. Step 4: Simplify right side
    2,270.73x = 3,998,466.94
  5. Step 5: Solve for x
    x = 3,998,466.94/2,270.73
  6. Step 6: Final answer
    x = 1,760.87

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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.