Home / 5,208.33-7,187.31-3,112.05

Finding the Fourth Proportional to 5,208.33, 7,187.31 and 3,112.05

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Solution

The fourth proportional to 5,208.33, 7,187.31 and 3,112.05 is: 4,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.33 : 7,187.31 = 3,112.05 : x
  2. Step 2: Convert to fraction form
    5,208.33/7,187.31 = 3,112.05/x
  3. Step 3: Cross multiply
    5,208.33x = 7,187.31 × 3,112.05
  4. Step 4: Simplify right side
    5,208.33x = 22,367,268.09
  5. Step 5: Solve for x
    x = 22,367,268.09/5,208.33
  6. Step 6: Final answer
    x = 4,294.52

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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.