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Finding the Fourth Proportional to 5,800.98, 8,005.28 and 3,148.49

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Solution

The fourth proportional to 5,800.98, 8,005.28 and 3,148.49 is: 4,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.98 : 8,005.28 = 3,148.49 : x
  2. Step 2: Convert to fraction form
    5,800.98/8,005.28 = 3,148.49/x
  3. Step 3: Cross multiply
    5,800.98x = 8,005.28 × 3,148.49
  4. Step 4: Simplify right side
    5,800.98x = 25,204,488.26
  5. Step 5: Solve for x
    x = 25,204,488.26/5,800.98
  6. Step 6: Final answer
    x = 4,344.87

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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.