Home / 6,222.70-8,585.49-3,702.79

Finding the Fourth Proportional to 6,222.70, 8,585.49 and 3,702.79

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Solution

The fourth proportional to 6,222.70, 8,585.49 and 3,702.79 is: 5,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.70 : 8,585.49 = 3,702.79 : x
  2. Step 2: Convert to fraction form
    6,222.70/8,585.49 = 3,702.79/x
  3. Step 3: Cross multiply
    6,222.70x = 8,585.49 × 3,702.79
  4. Step 4: Simplify right side
    6,222.70x = 31,790,266.52
  5. Step 5: Solve for x
    x = 31,790,266.52/6,222.70
  6. Step 6: Final answer
    x = 5,108.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.