Home / 3,411.14-5,112.92-1,947.06

Finding the Fourth Proportional to 3,411.14, 5,112.92 and 1,947.06

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Solution

The fourth proportional to 3,411.14, 5,112.92 and 1,947.06 is: 2,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.14 : 5,112.92 = 1,947.06 : x
  2. Step 2: Convert to fraction form
    3,411.14/5,112.92 = 1,947.06/x
  3. Step 3: Cross multiply
    3,411.14x = 5,112.92 × 1,947.06
  4. Step 4: Simplify right side
    3,411.14x = 9,955,162.02
  5. Step 5: Solve for x
    x = 9,955,162.02/3,411.14
  6. Step 6: Final answer
    x = 2,918.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.