Home / 5,195.85-7,168.57-3,071.44

Finding the Fourth Proportional to 5,195.85, 7,168.57 and 3,071.44

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Solution

The fourth proportional to 5,195.85, 7,168.57 and 3,071.44 is: 4,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.85 : 7,168.57 = 3,071.44 : x
  2. Step 2: Convert to fraction form
    5,195.85/7,168.57 = 3,071.44/x
  3. Step 3: Cross multiply
    5,195.85x = 7,168.57 × 3,071.44
  4. Step 4: Simplify right side
    5,195.85x = 22,017,832.64
  5. Step 5: Solve for x
    x = 22,017,832.64/5,195.85
  6. Step 6: Final answer
    x = 4,237.58

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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.