Home / 2,554.65-3,829.53-1,928.97

Finding the Fourth Proportional to 2,554.65, 3,829.53 and 1,928.97

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Solution

The fourth proportional to 2,554.65, 3,829.53 and 1,928.97 is: 2,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.65 : 3,829.53 = 1,928.97 : x
  2. Step 2: Convert to fraction form
    2,554.65/3,829.53 = 1,928.97/x
  3. Step 3: Cross multiply
    2,554.65x = 3,829.53 × 1,928.97
  4. Step 4: Simplify right side
    2,554.65x = 7,387,048.48
  5. Step 5: Solve for x
    x = 7,387,048.48/2,554.65
  6. Step 6: Final answer
    x = 2,891.61

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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.