Home / 1,943.62-2,911.30-1,571.83

Finding the Fourth Proportional to 1,943.62, 2,911.30 and 1,571.83

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Solution

The fourth proportional to 1,943.62, 2,911.30 and 1,571.83 is: 2,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.62 : 2,911.30 = 1,571.83 : x
  2. Step 2: Convert to fraction form
    1,943.62/2,911.30 = 1,571.83/x
  3. Step 3: Cross multiply
    1,943.62x = 2,911.30 × 1,571.83
  4. Step 4: Simplify right side
    1,943.62x = 4,576,068.68
  5. Step 5: Solve for x
    x = 4,576,068.68/1,943.62
  6. Step 6: Final answer
    x = 2,354.41

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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.