Home / 5,965.36-8,231.49-3,312.09

Finding the Fourth Proportional to 5,965.36, 8,231.49 and 3,312.09

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Solution

The fourth proportional to 5,965.36, 8,231.49 and 3,312.09 is: 4,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,965.36 : 8,231.49 = 3,312.09 : x
  2. Step 2: Convert to fraction form
    5,965.36/8,231.49 = 3,312.09/x
  3. Step 3: Cross multiply
    5,965.36x = 8,231.49 × 3,312.09
  4. Step 4: Simplify right side
    5,965.36x = 27,263,435.71
  5. Step 5: Solve for x
    x = 27,263,435.71/5,965.36
  6. Step 6: Final answer
    x = 4,570.29

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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.