Home / 5,623.72-8,428.26-3,772.04

Finding the Fourth Proportional to 5,623.72, 8,428.26 and 3,772.04

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Solution

The fourth proportional to 5,623.72, 8,428.26 and 3,772.04 is: 5,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.72 : 8,428.26 = 3,772.04 : x
  2. Step 2: Convert to fraction form
    5,623.72/8,428.26 = 3,772.04/x
  3. Step 3: Cross multiply
    5,623.72x = 8,428.26 × 3,772.04
  4. Step 4: Simplify right side
    5,623.72x = 31,791,733.85
  5. Step 5: Solve for x
    x = 31,791,733.85/5,623.72
  6. Step 6: Final answer
    x = 5,653.15

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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.