Home / 5,908.25-8,153.31-3,390.41

Finding the Fourth Proportional to 5,908.25, 8,153.31 and 3,390.41

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Solution

The fourth proportional to 5,908.25, 8,153.31 and 3,390.41 is: 4,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.25 : 8,153.31 = 3,390.41 : x
  2. Step 2: Convert to fraction form
    5,908.25/8,153.31 = 3,390.41/x
  3. Step 3: Cross multiply
    5,908.25x = 8,153.31 × 3,390.41
  4. Step 4: Simplify right side
    5,908.25x = 27,643,084.14
  5. Step 5: Solve for x
    x = 27,643,084.14/5,908.25
  6. Step 6: Final answer
    x = 4,678.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.