Home / 5,079.74-7,616.82-1,568.78

Finding the Fourth Proportional to 5,079.74, 7,616.82 and 1,568.78

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Solution

The fourth proportional to 5,079.74, 7,616.82 and 1,568.78 is: 2,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.74 : 7,616.82 = 1,568.78 : x
  2. Step 2: Convert to fraction form
    5,079.74/7,616.82 = 1,568.78/x
  3. Step 3: Cross multiply
    5,079.74x = 7,616.82 × 1,568.78
  4. Step 4: Simplify right side
    5,079.74x = 11,949,107.04
  5. Step 5: Solve for x
    x = 11,949,107.04/5,079.74
  6. Step 6: Final answer
    x = 2,352.31

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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.