Home / 5,269.98-7,906.32-1,983.99

Finding the Fourth Proportional to 5,269.98, 7,906.32 and 1,983.99

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Solution

The fourth proportional to 5,269.98, 7,906.32 and 1,983.99 is: 2,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.98 : 7,906.32 = 1,983.99 : x
  2. Step 2: Convert to fraction form
    5,269.98/7,906.32 = 1,983.99/x
  3. Step 3: Cross multiply
    5,269.98x = 7,906.32 × 1,983.99
  4. Step 4: Simplify right side
    5,269.98x = 15,686,059.82
  5. Step 5: Solve for x
    x = 15,686,059.82/5,269.98
  6. Step 6: Final answer
    x = 2,976.49

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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.