Home / 3,976.98-5,482.53-2,794.38

Finding the Fourth Proportional to 3,976.98, 5,482.53 and 2,794.38

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Solution

The fourth proportional to 3,976.98, 5,482.53 and 2,794.38 is: 3,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.98 : 5,482.53 = 2,794.38 : x
  2. Step 2: Convert to fraction form
    3,976.98/5,482.53 = 2,794.38/x
  3. Step 3: Cross multiply
    3,976.98x = 5,482.53 × 2,794.38
  4. Step 4: Simplify right side
    3,976.98x = 15,320,272.18
  5. Step 5: Solve for x
    x = 15,320,272.18/3,976.98
  6. Step 6: Final answer
    x = 3,852.24

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1.5x scale

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.