Home / 5,159.82-7,740.52-1,696.26

Finding the Fourth Proportional to 5,159.82, 7,740.52 and 1,696.26

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Solution

The fourth proportional to 5,159.82, 7,740.52 and 1,696.26 is: 2,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.82 : 7,740.52 = 1,696.26 : x
  2. Step 2: Convert to fraction form
    5,159.82/7,740.52 = 1,696.26/x
  3. Step 3: Cross multiply
    5,159.82x = 7,740.52 × 1,696.26
  4. Step 4: Simplify right side
    5,159.82x = 13,129,934.46
  5. Step 5: Solve for x
    x = 13,129,934.46/5,159.82
  6. Step 6: Final answer
    x = 2,544.65

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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.