Home / 3,466.35-5,199.29-869.31

Finding the Fourth Proportional to 3,466.35, 5,199.29 and 869.31

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Solution

The fourth proportional to 3,466.35, 5,199.29 and 869.31 is: 1,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.35 : 5,199.29 = 869.31 : x
  2. Step 2: Convert to fraction form
    3,466.35/5,199.29 = 869.31/x
  3. Step 3: Cross multiply
    3,466.35x = 5,199.29 × 869.31
  4. Step 4: Simplify right side
    3,466.35x = 4,519,790.44
  5. Step 5: Solve for x
    x = 4,519,790.44/3,466.35
  6. Step 6: Final answer
    x = 1,303.90

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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.