Home / 2,955.24-4,431.39-1,722.96

Finding the Fourth Proportional to 2,955.24, 4,431.39 and 1,722.96

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Solution

The fourth proportional to 2,955.24, 4,431.39 and 1,722.96 is: 2,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.24 : 4,431.39 = 1,722.96 : x
  2. Step 2: Convert to fraction form
    2,955.24/4,431.39 = 1,722.96/x
  3. Step 3: Cross multiply
    2,955.24x = 4,431.39 × 1,722.96
  4. Step 4: Simplify right side
    2,955.24x = 7,635,107.71
  5. Step 5: Solve for x
    x = 7,635,107.71/2,955.24
  6. Step 6: Final answer
    x = 2,583.58

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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.