Home / 2,616.12-3,609.18-1,568.16

Finding the Fourth Proportional to 2,616.12, 3,609.18 and 1,568.16

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Solution

The fourth proportional to 2,616.12, 3,609.18 and 1,568.16 is: 2,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.12 : 3,609.18 = 1,568.16 : x
  2. Step 2: Convert to fraction form
    2,616.12/3,609.18 = 1,568.16/x
  3. Step 3: Cross multiply
    2,616.12x = 3,609.18 × 1,568.16
  4. Step 4: Simplify right side
    2,616.12x = 5,659,771.71
  5. Step 5: Solve for x
    x = 5,659,771.71/2,616.12
  6. Step 6: Final answer
    x = 2,163.42

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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.