Home / 5,115.99-7,674.71-2,343.36

Finding the Fourth Proportional to 5,115.99, 7,674.71 and 2,343.36

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Solution

The fourth proportional to 5,115.99, 7,674.71 and 2,343.36 is: 3,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.99 : 7,674.71 = 2,343.36 : x
  2. Step 2: Convert to fraction form
    5,115.99/7,674.71 = 2,343.36/x
  3. Step 3: Cross multiply
    5,115.99x = 7,674.71 × 2,343.36
  4. Step 4: Simplify right side
    5,115.99x = 17,984,596.71
  5. Step 5: Solve for x
    x = 17,984,596.71/5,115.99
  6. Step 6: Final answer
    x = 3,515.37

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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.