Home / 4,311.78-6,472.52-1,716.54

Finding the Fourth Proportional to 4,311.78, 6,472.52 and 1,716.54

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Solution

The fourth proportional to 4,311.78, 6,472.52 and 1,716.54 is: 2,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.78 : 6,472.52 = 1,716.54 : x
  2. Step 2: Convert to fraction form
    4,311.78/6,472.52 = 1,716.54/x
  3. Step 3: Cross multiply
    4,311.78x = 6,472.52 × 1,716.54
  4. Step 4: Simplify right side
    4,311.78x = 11,110,339.48
  5. Step 5: Solve for x
    x = 11,110,339.48/4,311.78
  6. Step 6: Final answer
    x = 2,576.74

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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.