Home / 5,970.45-8,239.23-3,317.79

Finding the Fourth Proportional to 5,970.45, 8,239.23 and 3,317.79

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Solution

The fourth proportional to 5,970.45, 8,239.23 and 3,317.79 is: 4,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.45 : 8,239.23 = 3,317.79 : x
  2. Step 2: Convert to fraction form
    5,970.45/8,239.23 = 3,317.79/x
  3. Step 3: Cross multiply
    5,970.45x = 8,239.23 × 3,317.79
  4. Step 4: Simplify right side
    5,970.45x = 27,336,034.90
  5. Step 5: Solve for x
    x = 27,336,034.90/5,970.45
  6. Step 6: Final answer
    x = 4,578.56

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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.