Home / 5,187.44-7,159.27-2,949.65

Finding the Fourth Proportional to 5,187.44, 7,159.27 and 2,949.65

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Solution

The fourth proportional to 5,187.44, 7,159.27 and 2,949.65 is: 4,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.44 : 7,159.27 = 2,949.65 : x
  2. Step 2: Convert to fraction form
    5,187.44/7,159.27 = 2,949.65/x
  3. Step 3: Cross multiply
    5,187.44x = 7,159.27 × 2,949.65
  4. Step 4: Simplify right side
    5,187.44x = 21,117,290.21
  5. Step 5: Solve for x
    x = 21,117,290.21/5,187.44
  6. Step 6: Final answer
    x = 4,070.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.