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Finding the Fourth Proportional to 5,361.53, 8,042.90 and 2,074.14

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Solution

The fourth proportional to 5,361.53, 8,042.90 and 2,074.14 is: 3,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.53 : 8,042.90 = 2,074.14 : x
  2. Step 2: Convert to fraction form
    5,361.53/8,042.90 = 2,074.14/x
  3. Step 3: Cross multiply
    5,361.53x = 8,042.90 × 2,074.14
  4. Step 4: Simplify right side
    5,361.53x = 16,682,090.24
  5. Step 5: Solve for x
    x = 16,682,090.24/5,361.53
  6. Step 6: Final answer
    x = 3,111.45

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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.