Home / 5,350.73-7,383.93-3,112.70

Finding the Fourth Proportional to 5,350.73, 7,383.93 and 3,112.70

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Solution

The fourth proportional to 5,350.73, 7,383.93 and 3,112.70 is: 4,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.73 : 7,383.93 = 3,112.70 : x
  2. Step 2: Convert to fraction form
    5,350.73/7,383.93 = 3,112.70/x
  3. Step 3: Cross multiply
    5,350.73x = 7,383.93 × 3,112.70
  4. Step 4: Simplify right side
    5,350.73x = 22,983,921.99
  5. Step 5: Solve for x
    x = 22,983,921.99/5,350.73
  6. Step 6: Final answer
    x = 4,295.48

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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.