Home / 2,972.74-4,456.07-1,934.83

Finding the Fourth Proportional to 2,972.74, 4,456.07 and 1,934.83

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Solution

The fourth proportional to 2,972.74, 4,456.07 and 1,934.83 is: 2,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.74 : 4,456.07 = 1,934.83 : x
  2. Step 2: Convert to fraction form
    2,972.74/4,456.07 = 1,934.83/x
  3. Step 3: Cross multiply
    2,972.74x = 4,456.07 × 1,934.83
  4. Step 4: Simplify right side
    2,972.74x = 8,621,724.36
  5. Step 5: Solve for x
    x = 8,621,724.36/2,972.74
  6. Step 6: Final answer
    x = 2,900.26

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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.