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Finding the Fourth Proportional to 3,450.42, 4,760.76 and 1,958.01

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Solution

The fourth proportional to 3,450.42, 4,760.76 and 1,958.01 is: 2,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.42 : 4,760.76 = 1,958.01 : x
  2. Step 2: Convert to fraction form
    3,450.42/4,760.76 = 1,958.01/x
  3. Step 3: Cross multiply
    3,450.42x = 4,760.76 × 1,958.01
  4. Step 4: Simplify right side
    3,450.42x = 9,321,615.69
  5. Step 5: Solve for x
    x = 9,321,615.69/3,450.42
  6. Step 6: Final answer
    x = 2,701.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.