Home / 5,965.69-8,231.88-3,312.59

Finding the Fourth Proportional to 5,965.69, 8,231.88 and 3,312.59

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Solution

The fourth proportional to 5,965.69, 8,231.88 and 3,312.59 is: 4,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,965.69 : 8,231.88 = 3,312.59 : x
  2. Step 2: Convert to fraction form
    5,965.69/8,231.88 = 3,312.59/x
  3. Step 3: Cross multiply
    5,965.69x = 8,231.88 × 3,312.59
  4. Step 4: Simplify right side
    5,965.69x = 27,268,843.37
  5. Step 5: Solve for x
    x = 27,268,843.37/5,965.69
  6. Step 6: Final answer
    x = 4,570.95

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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.