Home / 4,756.72-7,138.86-2,676.28

Finding the Fourth Proportional to 4,756.72, 7,138.86 and 2,676.28

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Solution

The fourth proportional to 4,756.72, 7,138.86 and 2,676.28 is: 4,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.72 : 7,138.86 = 2,676.28 : x
  2. Step 2: Convert to fraction form
    4,756.72/7,138.86 = 2,676.28/x
  3. Step 3: Cross multiply
    4,756.72x = 7,138.86 × 2,676.28
  4. Step 4: Simplify right side
    4,756.72x = 19,105,588.24
  5. Step 5: Solve for x
    x = 19,105,588.24/4,756.72
  6. Step 6: Final answer
    x = 4,016.55

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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.