Home / 5,325.89-7,991.33-2,730.65

Finding the Fourth Proportional to 5,325.89, 7,991.33 and 2,730.65

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Solution

The fourth proportional to 5,325.89, 7,991.33 and 2,730.65 is: 4,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.89 : 7,991.33 = 2,730.65 : x
  2. Step 2: Convert to fraction form
    5,325.89/7,991.33 = 2,730.65/x
  3. Step 3: Cross multiply
    5,325.89x = 7,991.33 × 2,730.65
  4. Step 4: Simplify right side
    5,325.89x = 21,821,471.65
  5. Step 5: Solve for x
    x = 21,821,471.65/5,325.89
  6. Step 6: Final answer
    x = 4,097.25

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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.