Home / 5,072.12-6,999.52-2,833.99

Finding the Fourth Proportional to 5,072.12, 6,999.52 and 2,833.99

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Solution

The fourth proportional to 5,072.12, 6,999.52 and 2,833.99 is: 3,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.12 : 6,999.52 = 2,833.99 : x
  2. Step 2: Convert to fraction form
    5,072.12/6,999.52 = 2,833.99/x
  3. Step 3: Cross multiply
    5,072.12x = 6,999.52 × 2,833.99
  4. Step 4: Simplify right side
    5,072.12x = 19,836,569.68
  5. Step 5: Solve for x
    x = 19,836,569.68/5,072.12
  6. Step 6: Final answer
    x = 3,910.90

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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.