Home / 4,947.52-6,827.30-2,709.38

Finding the Fourth Proportional to 4,947.52, 6,827.30 and 2,709.38

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Solution

The fourth proportional to 4,947.52, 6,827.30 and 2,709.38 is: 3,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.52 : 6,827.30 = 2,709.38 : x
  2. Step 2: Convert to fraction form
    4,947.52/6,827.30 = 2,709.38/x
  3. Step 3: Cross multiply
    4,947.52x = 6,827.30 × 2,709.38
  4. Step 4: Simplify right side
    4,947.52x = 18,497,750.07
  5. Step 5: Solve for x
    x = 18,497,750.07/4,947.52
  6. Step 6: Final answer
    x = 3,738.79

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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.