Home / 2,422.62-3,343.55-1,374.75

Finding the Fourth Proportional to 2,422.62, 3,343.55 and 1,374.75

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Solution

The fourth proportional to 2,422.62, 3,343.55 and 1,374.75 is: 1,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.62 : 3,343.55 = 1,374.75 : x
  2. Step 2: Convert to fraction form
    2,422.62/3,343.55 = 1,374.75/x
  3. Step 3: Cross multiply
    2,422.62x = 3,343.55 × 1,374.75
  4. Step 4: Simplify right side
    2,422.62x = 4,596,538.49
  5. Step 5: Solve for x
    x = 4,596,538.49/2,422.62
  6. Step 6: Final answer
    x = 1,897.34

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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.