Home / 2,881.31-4,322.03-933.26

Finding the Fourth Proportional to 2,881.31, 4,322.03 and 933.26

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Solution

The fourth proportional to 2,881.31, 4,322.03 and 933.26 is: 1,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.31 : 4,322.03 = 933.26 : x
  2. Step 2: Convert to fraction form
    2,881.31/4,322.03 = 933.26/x
  3. Step 3: Cross multiply
    2,881.31x = 4,322.03 × 933.26
  4. Step 4: Simplify right side
    2,881.31x = 4,033,551.44
  5. Step 5: Solve for x
    x = 4,033,551.44/2,881.31
  6. Step 6: Final answer
    x = 1,399.90

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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.