Home / 7,131.33-10,696.64-2,451.33

Finding the Fourth Proportional to 7,131.33, 10,696.64 and 2,451.33

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Solution

The fourth proportional to 7,131.33, 10,696.64 and 2,451.33 is: 3,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.33 : 10,696.64 = 2,451.33 : x
  2. Step 2: Convert to fraction form
    7,131.33/10,696.64 = 2,451.33/x
  3. Step 3: Cross multiply
    7,131.33x = 10,696.64 × 2,451.33
  4. Step 4: Simplify right side
    7,131.33x = 26,220,982.27
  5. Step 5: Solve for x
    x = 26,220,982.27/7,131.33
  6. Step 6: Final answer
    x = 3,676.87

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1.5x scale

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.