Home / 5,029.14-6,940.09-2,790.97

Finding the Fourth Proportional to 5,029.14, 6,940.09 and 2,790.97

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Solution

The fourth proportional to 5,029.14, 6,940.09 and 2,790.97 is: 3,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.14 : 6,940.09 = 2,790.97 : x
  2. Step 2: Convert to fraction form
    5,029.14/6,940.09 = 2,790.97/x
  3. Step 3: Cross multiply
    5,029.14x = 6,940.09 × 2,790.97
  4. Step 4: Simplify right side
    5,029.14x = 19,369,576.01
  5. Step 5: Solve for x
    x = 19,369,576.01/5,029.14
  6. Step 6: Final answer
    x = 3,851.47

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1.5x scale

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.