Home / 2,266.05-3,126.21-1,321.37

Finding the Fourth Proportional to 2,266.05, 3,126.21 and 1,321.37

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Solution

The fourth proportional to 2,266.05, 3,126.21 and 1,321.37 is: 1,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.05 : 3,126.21 = 1,321.37 : x
  2. Step 2: Convert to fraction form
    2,266.05/3,126.21 = 1,321.37/x
  3. Step 3: Cross multiply
    2,266.05x = 3,126.21 × 1,321.37
  4. Step 4: Simplify right side
    2,266.05x = 4,130,883.66
  5. Step 5: Solve for x
    x = 4,130,883.66/2,266.05
  6. Step 6: Final answer
    x = 1,822.94

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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.