Home / 2,621.19-3,928.31-1,924.59

Finding the Fourth Proportional to 2,621.19, 3,928.31 and 1,924.59

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Solution

The fourth proportional to 2,621.19, 3,928.31 and 1,924.59 is: 2,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.19 : 3,928.31 = 1,924.59 : x
  2. Step 2: Convert to fraction form
    2,621.19/3,928.31 = 1,924.59/x
  3. Step 3: Cross multiply
    2,621.19x = 3,928.31 × 1,924.59
  4. Step 4: Simplify right side
    2,621.19x = 7,560,376.52
  5. Step 5: Solve for x
    x = 7,560,376.52/2,621.19
  6. Step 6: Final answer
    x = 2,884.33

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1.5x scale

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.