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Finding the Fourth Proportional to 5,890.90, 8,841.48 and 3,119.56

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Solution

The fourth proportional to 5,890.90, 8,841.48 and 3,119.56 is: 4,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.90 : 8,841.48 = 3,119.56 : x
  2. Step 2: Convert to fraction form
    5,890.90/8,841.48 = 3,119.56/x
  3. Step 3: Cross multiply
    5,890.90x = 8,841.48 × 3,119.56
  4. Step 4: Simplify right side
    5,890.90x = 27,581,527.35
  5. Step 5: Solve for x
    x = 27,581,527.35/5,890.90
  6. Step 6: Final answer
    x = 4,682.06

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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.