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Finding the Fourth Proportional to 2,851.56, 3,935.12 and 1,592.74

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Solution

The fourth proportional to 2,851.56, 3,935.12 and 1,592.74 is: 2,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.56 : 3,935.12 = 1,592.74 : x
  2. Step 2: Convert to fraction form
    2,851.56/3,935.12 = 1,592.74/x
  3. Step 3: Cross multiply
    2,851.56x = 3,935.12 × 1,592.74
  4. Step 4: Simplify right side
    2,851.56x = 6,267,609.41
  5. Step 5: Solve for x
    x = 6,267,609.41/2,851.56
  6. Step 6: Final answer
    x = 2,197.96

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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.