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Finding the Fourth Proportional to 4,262.05, 5,882.72 and 3,819.18

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Solution

The fourth proportional to 4,262.05, 5,882.72 and 3,819.18 is: 5,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.05 : 5,882.72 = 3,819.18 : x
  2. Step 2: Convert to fraction form
    4,262.05/5,882.72 = 3,819.18/x
  3. Step 3: Cross multiply
    4,262.05x = 5,882.72 × 3,819.18
  4. Step 4: Simplify right side
    4,262.05x = 22,467,166.57
  5. Step 5: Solve for x
    x = 22,467,166.57/4,262.05
  6. Step 6: Final answer
    x = 5,271.45

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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.