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Finding the Fourth Proportional to 5,735.81, 8,605.14 and 1,840.22

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Solution

The fourth proportional to 5,735.81, 8,605.14 and 1,840.22 is: 2,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.81 : 8,605.14 = 1,840.22 : x
  2. Step 2: Convert to fraction form
    5,735.81/8,605.14 = 1,840.22/x
  3. Step 3: Cross multiply
    5,735.81x = 8,605.14 × 1,840.22
  4. Step 4: Simplify right side
    5,735.81x = 15,835,333.07
  5. Step 5: Solve for x
    x = 15,835,333.07/5,735.81
  6. Step 6: Final answer
    x = 2,760.78

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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.