Home / 5,396.87-8,081.26-5,068.51

Finding the Fourth Proportional to 5,396.87, 8,081.26 and 5,068.51

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Solution

The fourth proportional to 5,396.87, 8,081.26 and 5,068.51 is: 7,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.87 : 8,081.26 = 5,068.51 : x
  2. Step 2: Convert to fraction form
    5,396.87/8,081.26 = 5,068.51/x
  3. Step 3: Cross multiply
    5,396.87x = 8,081.26 × 5,068.51
  4. Step 4: Simplify right side
    5,396.87x = 40,959,947.12
  5. Step 5: Solve for x
    x = 40,959,947.12/5,396.87
  6. Step 6: Final answer
    x = 7,589.57

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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.