Home / 5,191.36-7,164.25-2,833.58

Finding the Fourth Proportional to 5,191.36, 7,164.25 and 2,833.58

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Solution

The fourth proportional to 5,191.36, 7,164.25 and 2,833.58 is: 3,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.36 : 7,164.25 = 2,833.58 : x
  2. Step 2: Convert to fraction form
    5,191.36/7,164.25 = 2,833.58/x
  3. Step 3: Cross multiply
    5,191.36x = 7,164.25 × 2,833.58
  4. Step 4: Simplify right side
    5,191.36x = 20,300,486.34
  5. Step 5: Solve for x
    x = 20,300,486.34/5,191.36
  6. Step 6: Final answer
    x = 3,910.44

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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.