Home / 5,176.10-7,757.67-4,076.12

Finding the Fourth Proportional to 5,176.10, 7,757.67 and 4,076.12

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Solution

The fourth proportional to 5,176.10, 7,757.67 and 4,076.12 is: 6,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.10 : 7,757.67 = 4,076.12 : x
  2. Step 2: Convert to fraction form
    5,176.10/7,757.67 = 4,076.12/x
  3. Step 3: Cross multiply
    5,176.10x = 7,757.67 × 4,076.12
  4. Step 4: Simplify right side
    5,176.10x = 31,621,228.52
  5. Step 5: Solve for x
    x = 31,621,228.52/5,176.10
  6. Step 6: Final answer
    x = 6,109.08

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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.