Home / 3,271.05-4,899.72-2,574.42

Finding the Fourth Proportional to 3,271.05, 4,899.72 and 2,574.42

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Solution

The fourth proportional to 3,271.05, 4,899.72 and 2,574.42 is: 3,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.05 : 4,899.72 = 2,574.42 : x
  2. Step 2: Convert to fraction form
    3,271.05/4,899.72 = 2,574.42/x
  3. Step 3: Cross multiply
    3,271.05x = 4,899.72 × 2,574.42
  4. Step 4: Simplify right side
    3,271.05x = 12,613,928.44
  5. Step 5: Solve for x
    x = 12,613,928.44/3,271.05
  6. Step 6: Final answer
    x = 3,856.23

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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.