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Finding the Fourth Proportional to 5,800.85, 8,005.13 and 3,148.23

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Solution

The fourth proportional to 5,800.85, 8,005.13 and 3,148.23 is: 4,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.85 : 8,005.13 = 3,148.23 : x
  2. Step 2: Convert to fraction form
    5,800.85/8,005.13 = 3,148.23/x
  3. Step 3: Cross multiply
    5,800.85x = 8,005.13 × 3,148.23
  4. Step 4: Simplify right side
    5,800.85x = 25,201,990.42
  5. Step 5: Solve for x
    x = 25,201,990.42/5,800.85
  6. Step 6: Final answer
    x = 4,344.54

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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.