Home / 2,422.96-3,343.56-1,375.22

Finding the Fourth Proportional to 2,422.96, 3,343.56 and 1,375.22

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Solution

The fourth proportional to 2,422.96, 3,343.56 and 1,375.22 is: 1,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.96 : 3,343.56 = 1,375.22 : x
  2. Step 2: Convert to fraction form
    2,422.96/3,343.56 = 1,375.22/x
  3. Step 3: Cross multiply
    2,422.96x = 3,343.56 × 1,375.22
  4. Step 4: Simplify right side
    2,422.96x = 4,598,130.58
  5. Step 5: Solve for x
    x = 4,598,130.58/2,422.96
  6. Step 6: Final answer
    x = 1,897.73

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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.