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Finding the Fourth Proportional to 5,800.70, 8,005.12 and 3,148.11

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Solution

The fourth proportional to 5,800.70, 8,005.12 and 3,148.11 is: 4,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.70 : 8,005.12 = 3,148.11 : x
  2. Step 2: Convert to fraction form
    5,800.70/8,005.12 = 3,148.11/x
  3. Step 3: Cross multiply
    5,800.70x = 8,005.12 × 3,148.11
  4. Step 4: Simplify right side
    5,800.70x = 25,200,942.56
  5. Step 5: Solve for x
    x = 25,200,942.56/5,800.70
  6. Step 6: Final answer
    x = 4,344.47

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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.