Home / 5,971.58-8,239.86-3,318.98

Finding the Fourth Proportional to 5,971.58, 8,239.86 and 3,318.98

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Solution

The fourth proportional to 5,971.58, 8,239.86 and 3,318.98 is: 4,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.58 : 8,239.86 = 3,318.98 : x
  2. Step 2: Convert to fraction form
    5,971.58/8,239.86 = 3,318.98/x
  3. Step 3: Cross multiply
    5,971.58x = 8,239.86 × 3,318.98
  4. Step 4: Simplify right side
    5,971.58x = 27,347,930.54
  5. Step 5: Solve for x
    x = 27,347,930.54/5,971.58
  6. Step 6: Final answer
    x = 4,579.68

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1.5x scale

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.