Home / 5,558.14-8,338.43-2,271.57

Finding the Fourth Proportional to 5,558.14, 8,338.43 and 2,271.57

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Solution

The fourth proportional to 5,558.14, 8,338.43 and 2,271.57 is: 3,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.14 : 8,338.43 = 2,271.57 : x
  2. Step 2: Convert to fraction form
    5,558.14/8,338.43 = 2,271.57/x
  3. Step 3: Cross multiply
    5,558.14x = 8,338.43 × 2,271.57
  4. Step 4: Simplify right side
    5,558.14x = 18,941,327.44
  5. Step 5: Solve for x
    x = 18,941,327.44/5,558.14
  6. Step 6: Final answer
    x = 3,407.85

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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.