Home / 3,675.86-5,515.15-1,702.44

Finding the Fourth Proportional to 3,675.86, 5,515.15 and 1,702.44

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Solution

The fourth proportional to 3,675.86, 5,515.15 and 1,702.44 is: 2,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.86 : 5,515.15 = 1,702.44 : x
  2. Step 2: Convert to fraction form
    3,675.86/5,515.15 = 1,702.44/x
  3. Step 3: Cross multiply
    3,675.86x = 5,515.15 × 1,702.44
  4. Step 4: Simplify right side
    3,675.86x = 9,389,211.97
  5. Step 5: Solve for x
    x = 9,389,211.97/3,675.86
  6. Step 6: Final answer
    x = 2,554.29

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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.