Home / 5,319.44-7,340.73-2,961.54

Finding the Fourth Proportional to 5,319.44, 7,340.73 and 2,961.54

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Solution

The fourth proportional to 5,319.44, 7,340.73 and 2,961.54 is: 4,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.44 : 7,340.73 = 2,961.54 : x
  2. Step 2: Convert to fraction form
    5,319.44/7,340.73 = 2,961.54/x
  3. Step 3: Cross multiply
    5,319.44x = 7,340.73 × 2,961.54
  4. Step 4: Simplify right side
    5,319.44x = 21,739,865.52
  5. Step 5: Solve for x
    x = 21,739,865.52/5,319.44
  6. Step 6: Final answer
    x = 4,086.87

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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.