Home / 2,868.54-3,956.38-1,924.03

Finding the Fourth Proportional to 2,868.54, 3,956.38 and 1,924.03

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Solution

The fourth proportional to 2,868.54, 3,956.38 and 1,924.03 is: 2,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.54 : 3,956.38 = 1,924.03 : x
  2. Step 2: Convert to fraction form
    2,868.54/3,956.38 = 1,924.03/x
  3. Step 3: Cross multiply
    2,868.54x = 3,956.38 × 1,924.03
  4. Step 4: Simplify right side
    2,868.54x = 7,612,193.81
  5. Step 5: Solve for x
    x = 7,612,193.81/2,868.54
  6. Step 6: Final answer
    x = 2,653.68

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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.