Home / 2,533.40-3,801.35-1,422.12

Finding the Fourth Proportional to 2,533.40, 3,801.35 and 1,422.12

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Solution

The fourth proportional to 2,533.40, 3,801.35 and 1,422.12 is: 2,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,533.40 : 3,801.35 = 1,422.12 : x
  2. Step 2: Convert to fraction form
    2,533.40/3,801.35 = 1,422.12/x
  3. Step 3: Cross multiply
    2,533.40x = 3,801.35 × 1,422.12
  4. Step 4: Simplify right side
    2,533.40x = 5,405,979.42
  5. Step 5: Solve for x
    x = 5,405,979.42/2,533.40
  6. Step 6: Final answer
    x = 2,133.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.