Home / 5,675.58-8,512.74-1,515.95

Finding the Fourth Proportional to 5,675.58, 8,512.74 and 1,515.95

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Solution

The fourth proportional to 5,675.58, 8,512.74 and 1,515.95 is: 2,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.58 : 8,512.74 = 1,515.95 : x
  2. Step 2: Convert to fraction form
    5,675.58/8,512.74 = 1,515.95/x
  3. Step 3: Cross multiply
    5,675.58x = 8,512.74 × 1,515.95
  4. Step 4: Simplify right side
    5,675.58x = 12,904,838.06
  5. Step 5: Solve for x
    x = 12,904,838.06/5,675.58
  6. Step 6: Final answer
    x = 2,273.75

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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.