Home / 4,726.80-7,086.69-3,261.78

Finding the Fourth Proportional to 4,726.80, 7,086.69 and 3,261.78

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Solution

The fourth proportional to 4,726.80, 7,086.69 and 3,261.78 is: 4,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.80 : 7,086.69 = 3,261.78 : x
  2. Step 2: Convert to fraction form
    4,726.80/7,086.69 = 3,261.78/x
  3. Step 3: Cross multiply
    4,726.80x = 7,086.69 × 3,261.78
  4. Step 4: Simplify right side
    4,726.80x = 23,115,223.71
  5. Step 5: Solve for x
    x = 23,115,223.71/4,726.80
  6. Step 6: Final answer
    x = 4,890.25

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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.