Home / 4,947.24-6,826.97-2,709.21

Finding the Fourth Proportional to 4,947.24, 6,826.97 and 2,709.21

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Solution

The fourth proportional to 4,947.24, 6,826.97 and 2,709.21 is: 3,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.24 : 6,826.97 = 2,709.21 : x
  2. Step 2: Convert to fraction form
    4,947.24/6,826.97 = 2,709.21/x
  3. Step 3: Cross multiply
    4,947.24x = 6,826.97 × 2,709.21
  4. Step 4: Simplify right side
    4,947.24x = 18,495,702.17
  5. Step 5: Solve for x
    x = 18,495,702.17/4,947.24
  6. Step 6: Final answer
    x = 3,738.59

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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.