Home / 5,314.29-7,974.18-2,391.99

Finding the Fourth Proportional to 5,314.29, 7,974.18 and 2,391.99

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Solution

The fourth proportional to 5,314.29, 7,974.18 and 2,391.99 is: 3,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.29 : 7,974.18 = 2,391.99 : x
  2. Step 2: Convert to fraction form
    5,314.29/7,974.18 = 2,391.99/x
  3. Step 3: Cross multiply
    5,314.29x = 7,974.18 × 2,391.99
  4. Step 4: Simplify right side
    5,314.29x = 19,074,158.82
  5. Step 5: Solve for x
    x = 19,074,158.82/5,314.29
  6. Step 6: Final answer
    x = 3,589.22

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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.