Home / 3,174.30-4,375.41-2,543.76

Finding the Fourth Proportional to 3,174.30, 4,375.41 and 2,543.76

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Solution

The fourth proportional to 3,174.30, 4,375.41 and 2,543.76 is: 3,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.30 : 4,375.41 = 2,543.76 : x
  2. Step 2: Convert to fraction form
    3,174.30/4,375.41 = 2,543.76/x
  3. Step 3: Cross multiply
    3,174.30x = 4,375.41 × 2,543.76
  4. Step 4: Simplify right side
    3,174.30x = 11,129,992.94
  5. Step 5: Solve for x
    x = 11,129,992.94/3,174.30
  6. Step 6: Final answer
    x = 3,506.28

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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.