Home / 5,676.72-8,517.13-2,904.70

Finding the Fourth Proportional to 5,676.72, 8,517.13 and 2,904.70

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Solution

The fourth proportional to 5,676.72, 8,517.13 and 2,904.70 is: 4,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.72 : 8,517.13 = 2,904.70 : x
  2. Step 2: Convert to fraction form
    5,676.72/8,517.13 = 2,904.70/x
  3. Step 3: Cross multiply
    5,676.72x = 8,517.13 × 2,904.70
  4. Step 4: Simplify right side
    5,676.72x = 24,739,707.51
  5. Step 5: Solve for x
    x = 24,739,707.51/5,676.72
  6. Step 6: Final answer
    x = 4,358.10

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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.