Home / 3,919.06-5,878.59-1,323.82

Finding the Fourth Proportional to 3,919.06, 5,878.59 and 1,323.82

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Solution

The fourth proportional to 3,919.06, 5,878.59 and 1,323.82 is: 1,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.06 : 5,878.59 = 1,323.82 : x
  2. Step 2: Convert to fraction form
    3,919.06/5,878.59 = 1,323.82/x
  3. Step 3: Cross multiply
    3,919.06x = 5,878.59 × 1,323.82
  4. Step 4: Simplify right side
    3,919.06x = 7,782,195.01
  5. Step 5: Solve for x
    x = 7,782,195.01/3,919.06
  6. Step 6: Final answer
    x = 1,985.73

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Similar ratio
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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.