Home / 6,170.94-8,515.44-3,518.28

Finding the Fourth Proportional to 6,170.94, 8,515.44 and 3,518.28

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Solution

The fourth proportional to 6,170.94, 8,515.44 and 3,518.28 is: 4,854.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.94 : 8,515.44 = 3,518.28 : x
  2. Step 2: Convert to fraction form
    6,170.94/8,515.44 = 3,518.28/x
  3. Step 3: Cross multiply
    6,170.94x = 8,515.44 × 3,518.28
  4. Step 4: Simplify right side
    6,170.94x = 29,959,702.24
  5. Step 5: Solve for x
    x = 29,959,702.24/6,170.94
  6. Step 6: Final answer
    x = 4,854.97

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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.