Home / 1,976.74-2,722.35-1,933.68

Finding the Fourth Proportional to 1,976.74, 2,722.35 and 1,933.68

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Solution

The fourth proportional to 1,976.74, 2,722.35 and 1,933.68 is: 2,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.74 : 2,722.35 = 1,933.68 : x
  2. Step 2: Convert to fraction form
    1,976.74/2,722.35 = 1,933.68/x
  3. Step 3: Cross multiply
    1,976.74x = 2,722.35 × 1,933.68
  4. Step 4: Simplify right side
    1,976.74x = 5,264,160.33
  5. Step 5: Solve for x
    x = 5,264,160.33/1,976.74
  6. Step 6: Final answer
    x = 2,663.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.