Home / 3,519.29-4,856.67-1,947.38

Finding the Fourth Proportional to 3,519.29, 4,856.67 and 1,947.38

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Solution

The fourth proportional to 3,519.29, 4,856.67 and 1,947.38 is: 2,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.29 : 4,856.67 = 1,947.38 : x
  2. Step 2: Convert to fraction form
    3,519.29/4,856.67 = 1,947.38/x
  3. Step 3: Cross multiply
    3,519.29x = 4,856.67 × 1,947.38
  4. Step 4: Simplify right side
    3,519.29x = 9,457,757.74
  5. Step 5: Solve for x
    x = 9,457,757.74/3,519.29
  6. Step 6: Final answer
    x = 2,687.40

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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.