Home / 5,919.18-8,879.52-1,759.32

Finding the Fourth Proportional to 5,919.18, 8,879.52 and 1,759.32

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Solution

The fourth proportional to 5,919.18, 8,879.52 and 1,759.32 is: 2,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.18 : 8,879.52 = 1,759.32 : x
  2. Step 2: Convert to fraction form
    5,919.18/8,879.52 = 1,759.32/x
  3. Step 3: Cross multiply
    5,919.18x = 8,879.52 × 1,759.32
  4. Step 4: Simplify right side
    5,919.18x = 15,621,923.72
  5. Step 5: Solve for x
    x = 15,621,923.72/5,919.18
  6. Step 6: Final answer
    x = 2,639.21

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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.