Home / 4,907.30-6,772.25-2,811.83

Finding the Fourth Proportional to 4,907.30, 6,772.25 and 2,811.83

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Solution

The fourth proportional to 4,907.30, 6,772.25 and 2,811.83 is: 3,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.30 : 6,772.25 = 2,811.83 : x
  2. Step 2: Convert to fraction form
    4,907.30/6,772.25 = 2,811.83/x
  3. Step 3: Cross multiply
    4,907.30x = 6,772.25 × 2,811.83
  4. Step 4: Simplify right side
    4,907.30x = 19,042,398.79
  5. Step 5: Solve for x
    x = 19,042,398.79/4,907.30
  6. Step 6: Final answer
    x = 3,880.42

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Why These Related Problems?

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