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Finding the Fourth Proportional to 5,783.55, 8,670.11 and 2,083.17

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Solution

The fourth proportional to 5,783.55, 8,670.11 and 2,083.17 is: 3,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.55 : 8,670.11 = 2,083.17 : x
  2. Step 2: Convert to fraction form
    5,783.55/8,670.11 = 2,083.17/x
  3. Step 3: Cross multiply
    5,783.55x = 8,670.11 × 2,083.17
  4. Step 4: Simplify right side
    5,783.55x = 18,061,302.63
  5. Step 5: Solve for x
    x = 18,061,302.63/5,783.55
  6. Step 6: Final answer
    x = 3,122.87

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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.