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Finding the Fourth Proportional to 3,135.44, 4,703.16 and 1,082

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Solution

The fourth proportional to 3,135.44, 4,703.16 and 1,082 is: 1,623

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.44 : 4,703.16 = 1,082 : x
  2. Step 2: Convert to fraction form
    3,135.44/4,703.16 = 1,082/x
  3. Step 3: Cross multiply
    3,135.44x = 4,703.16 × 1,082
  4. Step 4: Simplify right side
    3,135.44x = 5,088,819.12
  5. Step 5: Solve for x
    x = 5,088,819.12/3,135.44
  6. Step 6: Final answer
    x = 1,623

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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.