Home / 2,113.44-3,170.91-943.33

Finding the Fourth Proportional to 2,113.44, 3,170.91 and 943.33

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Solution

The fourth proportional to 2,113.44, 3,170.91 and 943.33 is: 1,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.44 : 3,170.91 = 943.33 : x
  2. Step 2: Convert to fraction form
    2,113.44/3,170.91 = 943.33/x
  3. Step 3: Cross multiply
    2,113.44x = 3,170.91 × 943.33
  4. Step 4: Simplify right side
    2,113.44x = 2,991,209.81
  5. Step 5: Solve for x
    x = 2,991,209.81/2,113.44
  6. Step 6: Final answer
    x = 1,415.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.