Home / 2,133.24-3,199.90-746.62

Finding the Fourth Proportional to 2,133.24, 3,199.90 and 746.62

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Solution

The fourth proportional to 2,133.24, 3,199.90 and 746.62 is: 1,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.24 : 3,199.90 = 746.62 : x
  2. Step 2: Convert to fraction form
    2,133.24/3,199.90 = 746.62/x
  3. Step 3: Cross multiply
    2,133.24x = 3,199.90 × 746.62
  4. Step 4: Simplify right side
    2,133.24x = 2,389,109.34
  5. Step 5: Solve for x
    x = 2,389,109.34/2,133.24
  6. Step 6: Final answer
    x = 1,119.94

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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.