Home / 3,104.48-4,678.08-2,568.70

Finding the Fourth Proportional to 3,104.48, 4,678.08 and 2,568.70

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Solution

The fourth proportional to 3,104.48, 4,678.08 and 2,568.70 is: 3,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.48 : 4,678.08 = 2,568.70 : x
  2. Step 2: Convert to fraction form
    3,104.48/4,678.08 = 2,568.70/x
  3. Step 3: Cross multiply
    3,104.48x = 4,678.08 × 2,568.70
  4. Step 4: Simplify right side
    3,104.48x = 12,016,584.10
  5. Step 5: Solve for x
    x = 12,016,584.10/3,104.48
  6. Step 6: Final answer
    x = 3,870.72

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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.