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Finding the Fourth Proportional to 5,741.12, 8,611.07 and 2,810.54

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Solution

The fourth proportional to 5,741.12, 8,611.07 and 2,810.54 is: 4,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.12 : 8,611.07 = 2,810.54 : x
  2. Step 2: Convert to fraction form
    5,741.12/8,611.07 = 2,810.54/x
  3. Step 3: Cross multiply
    5,741.12x = 8,611.07 × 2,810.54
  4. Step 4: Simplify right side
    5,741.12x = 24,201,699.57
  5. Step 5: Solve for x
    x = 24,201,699.57/5,741.12
  6. Step 6: Final answer
    x = 4,215.51

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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.