Home / 4,076.12-5,619.30-2,896.76

Finding the Fourth Proportional to 4,076.12, 5,619.30 and 2,896.76

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Solution

The fourth proportional to 4,076.12, 5,619.30 and 2,896.76 is: 3,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.12 : 5,619.30 = 2,896.76 : x
  2. Step 2: Convert to fraction form
    4,076.12/5,619.30 = 2,896.76/x
  3. Step 3: Cross multiply
    4,076.12x = 5,619.30 × 2,896.76
  4. Step 4: Simplify right side
    4,076.12x = 16,277,763.47
  5. Step 5: Solve for x
    x = 16,277,763.47/4,076.12
  6. Step 6: Final answer
    x = 3,993.45

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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.