Home / 5,159.46-7,738.59-1,827.33

Finding the Fourth Proportional to 5,159.46, 7,738.59 and 1,827.33

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Solution

The fourth proportional to 5,159.46, 7,738.59 and 1,827.33 is: 2,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.46 : 7,738.59 = 1,827.33 : x
  2. Step 2: Convert to fraction form
    5,159.46/7,738.59 = 1,827.33/x
  3. Step 3: Cross multiply
    5,159.46x = 7,738.59 × 1,827.33
  4. Step 4: Simplify right side
    5,159.46x = 14,140,957.66
  5. Step 5: Solve for x
    x = 14,140,957.66/5,159.46
  6. Step 6: Final answer
    x = 2,740.78

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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.