Home / 4,808.16-6,633.43-3,131

Finding the Fourth Proportional to 4,808.16, 6,633.43 and 3,131

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Solution

The fourth proportional to 4,808.16, 6,633.43 and 3,131 is: 4,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.16 : 6,633.43 = 3,131 : x
  2. Step 2: Convert to fraction form
    4,808.16/6,633.43 = 3,131/x
  3. Step 3: Cross multiply
    4,808.16x = 6,633.43 × 3,131
  4. Step 4: Simplify right side
    4,808.16x = 20,769,253.68
  5. Step 5: Solve for x
    x = 20,769,253.68/4,808.16
  6. Step 6: Final answer
    x = 4,319.59

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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.