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Finding the Fourth Proportional to 5,920.98, 8,879.95 and 1,759.91

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Solution

The fourth proportional to 5,920.98, 8,879.95 and 1,759.91 is: 2,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.98 : 8,879.95 = 1,759.91 : x
  2. Step 2: Convert to fraction form
    5,920.98/8,879.95 = 1,759.91/x
  3. Step 3: Cross multiply
    5,920.98x = 8,879.95 × 1,759.91
  4. Step 4: Simplify right side
    5,920.98x = 15,627,860.71
  5. Step 5: Solve for x
    x = 15,627,860.71/5,920.98
  6. Step 6: Final answer
    x = 2,639.41

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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.