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Finding the Fourth Proportional to 5,158.34, 7,736.70 and 1,995.33

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Solution

The fourth proportional to 5,158.34, 7,736.70 and 1,995.33 is: 2,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.34 : 7,736.70 = 1,995.33 : x
  2. Step 2: Convert to fraction form
    5,158.34/7,736.70 = 1,995.33/x
  3. Step 3: Cross multiply
    5,158.34x = 7,736.70 × 1,995.33
  4. Step 4: Simplify right side
    5,158.34x = 15,437,269.61
  5. Step 5: Solve for x
    x = 15,437,269.61/5,158.34
  6. Step 6: Final answer
    x = 2,992.68

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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.