Home / 5,034.94-6,947.41-2,796.78

Finding the Fourth Proportional to 5,034.94, 6,947.41 and 2,796.78

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Solution

The fourth proportional to 5,034.94, 6,947.41 and 2,796.78 is: 3,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034.94 : 6,947.41 = 2,796.78 : x
  2. Step 2: Convert to fraction form
    5,034.94/6,947.41 = 2,796.78/x
  3. Step 3: Cross multiply
    5,034.94x = 6,947.41 × 2,796.78
  4. Step 4: Simplify right side
    5,034.94x = 19,430,377.34
  5. Step 5: Solve for x
    x = 19,430,377.34/5,034.94
  6. Step 6: Final answer
    x = 3,859.11

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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.