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Finding the Fourth Proportional to 5,326.74, 7,990.11 and 1,995.75

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Solution

The fourth proportional to 5,326.74, 7,990.11 and 1,995.75 is: 2,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.74 : 7,990.11 = 1,995.75 : x
  2. Step 2: Convert to fraction form
    5,326.74/7,990.11 = 1,995.75/x
  3. Step 3: Cross multiply
    5,326.74x = 7,990.11 × 1,995.75
  4. Step 4: Simplify right side
    5,326.74x = 15,946,262.03
  5. Step 5: Solve for x
    x = 15,946,262.03/5,326.74
  6. Step 6: Final answer
    x = 2,993.63

Related Problems

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Half scale
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Double scale
Find fourth proportional to 5,327.74, 7,991.61 and 1,996.75
Similar ratio
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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.