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Finding the Fourth Proportional to 5,262.44, 7,891.23 and 1,973.18

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Solution

The fourth proportional to 5,262.44, 7,891.23 and 1,973.18 is: 2,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.44 : 7,891.23 = 1,973.18 : x
  2. Step 2: Convert to fraction form
    5,262.44/7,891.23 = 1,973.18/x
  3. Step 3: Cross multiply
    5,262.44x = 7,891.23 × 1,973.18
  4. Step 4: Simplify right side
    5,262.44x = 15,570,817.21
  5. Step 5: Solve for x
    x = 15,570,817.21/5,262.44
  6. Step 6: Final answer
    x = 2,958.86

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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.