Home / 3,519.07-4,856.34-1,947.19

Finding the Fourth Proportional to 3,519.07, 4,856.34 and 1,947.19

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Solution

The fourth proportional to 3,519.07, 4,856.34 and 1,947.19 is: 2,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.07 : 4,856.34 = 1,947.19 : x
  2. Step 2: Convert to fraction form
    3,519.07/4,856.34 = 1,947.19/x
  3. Step 3: Cross multiply
    3,519.07x = 4,856.34 × 1,947.19
  4. Step 4: Simplify right side
    3,519.07x = 9,456,216.68
  5. Step 5: Solve for x
    x = 9,456,216.68/3,519.07
  6. Step 6: Final answer
    x = 2,687.14

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Double scale
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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.