Home / 4,947.29-6,826.97-2,708.72

Finding the Fourth Proportional to 4,947.29, 6,826.97 and 2,708.72

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Solution

The fourth proportional to 4,947.29, 6,826.97 and 2,708.72 is: 3,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.29 : 6,826.97 = 2,708.72 : x
  2. Step 2: Convert to fraction form
    4,947.29/6,826.97 = 2,708.72/x
  3. Step 3: Cross multiply
    4,947.29x = 6,826.97 × 2,708.72
  4. Step 4: Simplify right side
    4,947.29x = 18,492,322.82
  5. Step 5: Solve for x
    x = 18,492,322.82/4,947.29
  6. Step 6: Final answer
    x = 3,737.87

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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.