Home / 5,331.41-7,990.98-2,992.47

Finding the Fourth Proportional to 5,331.41, 7,990.98 and 2,992.47

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Solution

The fourth proportional to 5,331.41, 7,990.98 and 2,992.47 is: 4,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.41 : 7,990.98 = 2,992.47 : x
  2. Step 2: Convert to fraction form
    5,331.41/7,990.98 = 2,992.47/x
  3. Step 3: Cross multiply
    5,331.41x = 7,990.98 × 2,992.47
  4. Step 4: Simplify right side
    5,331.41x = 23,912,767.92
  5. Step 5: Solve for x
    x = 23,912,767.92/5,331.41
  6. Step 6: Final answer
    x = 4,485.26

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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.