Home / 4,738.20-7,106.40-1,617.95

Finding the Fourth Proportional to 4,738.20, 7,106.40 and 1,617.95

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Solution

The fourth proportional to 4,738.20, 7,106.40 and 1,617.95 is: 2,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.20 : 7,106.40 = 1,617.95 : x
  2. Step 2: Convert to fraction form
    4,738.20/7,106.40 = 1,617.95/x
  3. Step 3: Cross multiply
    4,738.20x = 7,106.40 × 1,617.95
  4. Step 4: Simplify right side
    4,738.20x = 11,497,764.35
  5. Step 5: Solve for x
    x = 11,497,764.35/4,738.20
  6. Step 6: Final answer
    x = 2,426.61

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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.