Home / 5,543.44-7,651.20-3,775.75

Finding the Fourth Proportional to 5,543.44, 7,651.20 and 3,775.75

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Solution

The fourth proportional to 5,543.44, 7,651.20 and 3,775.75 is: 5,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.44 : 7,651.20 = 3,775.75 : x
  2. Step 2: Convert to fraction form
    5,543.44/7,651.20 = 3,775.75/x
  3. Step 3: Cross multiply
    5,543.44x = 7,651.20 × 3,775.75
  4. Step 4: Simplify right side
    5,543.44x = 28,889,018.40
  5. Step 5: Solve for x
    x = 28,889,018.40/5,543.44
  6. Step 6: Final answer
    x = 5,211.39

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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.