Home / 6,927.94-10,398.39-3,421.91

Finding the Fourth Proportional to 6,927.94, 10,398.39 and 3,421.91

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Solution

The fourth proportional to 6,927.94, 10,398.39 and 3,421.91 is: 5,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.94 : 10,398.39 = 3,421.91 : x
  2. Step 2: Convert to fraction form
    6,927.94/10,398.39 = 3,421.91/x
  3. Step 3: Cross multiply
    6,927.94x = 10,398.39 × 3,421.91
  4. Step 4: Simplify right side
    6,927.94x = 35,582,302.73
  5. Step 5: Solve for x
    x = 35,582,302.73/6,927.94
  6. Step 6: Final answer
    x = 5,136.06

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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.