Home / 4,922.91-7,385.75-2,149.83

Finding the Fourth Proportional to 4,922.91, 7,385.75 and 2,149.83

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Solution

The fourth proportional to 4,922.91, 7,385.75 and 2,149.83 is: 3,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.91 : 7,385.75 = 2,149.83 : x
  2. Step 2: Convert to fraction form
    4,922.91/7,385.75 = 2,149.83/x
  3. Step 3: Cross multiply
    4,922.91x = 7,385.75 × 2,149.83
  4. Step 4: Simplify right side
    4,922.91x = 15,878,096.17
  5. Step 5: Solve for x
    x = 15,878,096.17/4,922.91
  6. Step 6: Final answer
    x = 3,225.35

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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.