Home / 4,726.46-7,091.32-1,805.20

Finding the Fourth Proportional to 4,726.46, 7,091.32 and 1,805.20

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Solution

The fourth proportional to 4,726.46, 7,091.32 and 1,805.20 is: 2,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.46 : 7,091.32 = 1,805.20 : x
  2. Step 2: Convert to fraction form
    4,726.46/7,091.32 = 1,805.20/x
  3. Step 3: Cross multiply
    4,726.46x = 7,091.32 × 1,805.20
  4. Step 4: Simplify right side
    4,726.46x = 12,801,250.86
  5. Step 5: Solve for x
    x = 12,801,250.86/4,726.46
  6. Step 6: Final answer
    x = 2,708.42

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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.