Home / 5,568.72-8,348.16-2,108.40

Finding the Fourth Proportional to 5,568.72, 8,348.16 and 2,108.40

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Solution

The fourth proportional to 5,568.72, 8,348.16 and 2,108.40 is: 3,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.72 : 8,348.16 = 2,108.40 : x
  2. Step 2: Convert to fraction form
    5,568.72/8,348.16 = 2,108.40/x
  3. Step 3: Cross multiply
    5,568.72x = 8,348.16 × 2,108.40
  4. Step 4: Simplify right side
    5,568.72x = 17,601,260.54
  5. Step 5: Solve for x
    x = 17,601,260.54/5,568.72
  6. Step 6: Final answer
    x = 3,160.74

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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.