Home / 4,823.17-7,239.22-2,977.90

Finding the Fourth Proportional to 4,823.17, 7,239.22 and 2,977.90

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Solution

The fourth proportional to 4,823.17, 7,239.22 and 2,977.90 is: 4,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.17 : 7,239.22 = 2,977.90 : x
  2. Step 2: Convert to fraction form
    4,823.17/7,239.22 = 2,977.90/x
  3. Step 3: Cross multiply
    4,823.17x = 7,239.22 × 2,977.90
  4. Step 4: Simplify right side
    4,823.17x = 21,557,647.70
  5. Step 5: Solve for x
    x = 21,557,647.70/4,823.17
  6. Step 6: Final answer
    x = 4,469.60

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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.