Home / 7,123.06-10,682.97-2,738.26

Finding the Fourth Proportional to 7,123.06, 10,682.97 and 2,738.26

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Solution

The fourth proportional to 7,123.06, 10,682.97 and 2,738.26 is: 4,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.06 : 10,682.97 = 2,738.26 : x
  2. Step 2: Convert to fraction form
    7,123.06/10,682.97 = 2,738.26/x
  3. Step 3: Cross multiply
    7,123.06x = 10,682.97 × 2,738.26
  4. Step 4: Simplify right side
    7,123.06x = 29,252,749.43
  5. Step 5: Solve for x
    x = 29,252,749.43/7,123.06
  6. Step 6: Final answer
    x = 4,106.77

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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.