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Finding the Fourth Proportional to 5,891.31, 8,836.96 and 1,998.45

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Solution

The fourth proportional to 5,891.31, 8,836.96 and 1,998.45 is: 2,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.31 : 8,836.96 = 1,998.45 : x
  2. Step 2: Convert to fraction form
    5,891.31/8,836.96 = 1,998.45/x
  3. Step 3: Cross multiply
    5,891.31x = 8,836.96 × 1,998.45
  4. Step 4: Simplify right side
    5,891.31x = 17,660,222.71
  5. Step 5: Solve for x
    x = 17,660,222.71/5,891.31
  6. Step 6: Final answer
    x = 2,997.67

Related Problems

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Half scale
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Double scale
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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.