Home / 2,521.97-3,778.50-2,153.02

Finding the Fourth Proportional to 2,521.97, 3,778.50 and 2,153.02

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Solution

The fourth proportional to 2,521.97, 3,778.50 and 2,153.02 is: 3,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.97 : 3,778.50 = 2,153.02 : x
  2. Step 2: Convert to fraction form
    2,521.97/3,778.50 = 2,153.02/x
  3. Step 3: Cross multiply
    2,521.97x = 3,778.50 × 2,153.02
  4. Step 4: Simplify right side
    2,521.97x = 8,135,186.07
  5. Step 5: Solve for x
    x = 8,135,186.07/2,521.97
  6. Step 6: Final answer
    x = 3,225.73

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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.