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Finding the Fourth Proportional to 5,270.67, 7,895.07 and 3,072.74

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Solution

The fourth proportional to 5,270.67, 7,895.07 and 3,072.74 is: 4,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.67 : 7,895.07 = 3,072.74 : x
  2. Step 2: Convert to fraction form
    5,270.67/7,895.07 = 3,072.74/x
  3. Step 3: Cross multiply
    5,270.67x = 7,895.07 × 3,072.74
  4. Step 4: Simplify right side
    5,270.67x = 24,259,457.92
  5. Step 5: Solve for x
    x = 24,259,457.92/5,270.67
  6. Step 6: Final answer
    x = 4,602.73

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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.