Home / 5,686.85-8,531.53-1,738.44

Finding the Fourth Proportional to 5,686.85, 8,531.53 and 1,738.44

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Solution

The fourth proportional to 5,686.85, 8,531.53 and 1,738.44 is: 2,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.85 : 8,531.53 = 1,738.44 : x
  2. Step 2: Convert to fraction form
    5,686.85/8,531.53 = 1,738.44/x
  3. Step 3: Cross multiply
    5,686.85x = 8,531.53 × 1,738.44
  4. Step 4: Simplify right side
    5,686.85x = 14,831,548.67
  5. Step 5: Solve for x
    x = 14,831,548.67/5,686.85
  6. Step 6: Final answer
    x = 2,608.04

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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.