Home / 3,104.47-4,678.09-2,568.70

Finding the Fourth Proportional to 3,104.47, 4,678.09 and 2,568.70

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Solution

The fourth proportional to 3,104.47, 4,678.09 and 2,568.70 is: 3,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.47 : 4,678.09 = 2,568.70 : x
  2. Step 2: Convert to fraction form
    3,104.47/4,678.09 = 2,568.70/x
  3. Step 3: Cross multiply
    3,104.47x = 4,678.09 × 2,568.70
  4. Step 4: Simplify right side
    3,104.47x = 12,016,609.78
  5. Step 5: Solve for x
    x = 12,016,609.78/3,104.47
  6. Step 6: Final answer
    x = 3,870.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.