Home / 5,474.25-7,554.47-2,990.25

Finding the Fourth Proportional to 5,474.25, 7,554.47 and 2,990.25

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Solution

The fourth proportional to 5,474.25, 7,554.47 and 2,990.25 is: 4,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.25 : 7,554.47 = 2,990.25 : x
  2. Step 2: Convert to fraction form
    5,474.25/7,554.47 = 2,990.25/x
  3. Step 3: Cross multiply
    5,474.25x = 7,554.47 × 2,990.25
  4. Step 4: Simplify right side
    5,474.25x = 22,589,738.97
  5. Step 5: Solve for x
    x = 22,589,738.97/5,474.25
  6. Step 6: Final answer
    x = 4,126.55

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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.