Home / 5,970.74-8,239.25-3,318.06

Finding the Fourth Proportional to 5,970.74, 8,239.25 and 3,318.06

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Solution

The fourth proportional to 5,970.74, 8,239.25 and 3,318.06 is: 4,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.74 : 8,239.25 = 3,318.06 : x
  2. Step 2: Convert to fraction form
    5,970.74/8,239.25 = 3,318.06/x
  3. Step 3: Cross multiply
    5,970.74x = 8,239.25 × 3,318.06
  4. Step 4: Simplify right side
    5,970.74x = 27,338,309.26
  5. Step 5: Solve for x
    x = 27,338,309.26/5,970.74
  6. Step 6: Final answer
    x = 4,578.72

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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.