Home / 5,743.56-8,611.02-2,820.36

Finding the Fourth Proportional to 5,743.56, 8,611.02 and 2,820.36

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Solution

The fourth proportional to 5,743.56, 8,611.02 and 2,820.36 is: 4,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.56 : 8,611.02 = 2,820.36 : x
  2. Step 2: Convert to fraction form
    5,743.56/8,611.02 = 2,820.36/x
  3. Step 3: Cross multiply
    5,743.56x = 8,611.02 × 2,820.36
  4. Step 4: Simplify right side
    5,743.56x = 24,286,176.37
  5. Step 5: Solve for x
    x = 24,286,176.37/5,743.56
  6. Step 6: Final answer
    x = 4,228.42

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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.