Home / 2,760.12-4,139.76-1,373

Finding the Fourth Proportional to 2,760.12, 4,139.76 and 1,373

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Solution

The fourth proportional to 2,760.12, 4,139.76 and 1,373 is: 2,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.12 : 4,139.76 = 1,373 : x
  2. Step 2: Convert to fraction form
    2,760.12/4,139.76 = 1,373/x
  3. Step 3: Cross multiply
    2,760.12x = 4,139.76 × 1,373
  4. Step 4: Simplify right side
    2,760.12x = 5,683,890.48
  5. Step 5: Solve for x
    x = 5,683,890.48/2,760.12
  6. Step 6: Final answer
    x = 2,059.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.