Home / 5,081.06-7,619.06-1,748.31

Finding the Fourth Proportional to 5,081.06, 7,619.06 and 1,748.31

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Solution

The fourth proportional to 5,081.06, 7,619.06 and 1,748.31 is: 2,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.06 : 7,619.06 = 1,748.31 : x
  2. Step 2: Convert to fraction form
    5,081.06/7,619.06 = 1,748.31/x
  3. Step 3: Cross multiply
    5,081.06x = 7,619.06 × 1,748.31
  4. Step 4: Simplify right side
    5,081.06x = 13,320,470.05
  5. Step 5: Solve for x
    x = 13,320,470.05/5,081.06
  6. Step 6: Final answer
    x = 2,621.60

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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.