Home / 3,466.32-5,199.45-869.25

Finding the Fourth Proportional to 3,466.32, 5,199.45 and 869.25

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Solution

The fourth proportional to 3,466.32, 5,199.45 and 869.25 is: 1,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.32 : 5,199.45 = 869.25 : x
  2. Step 2: Convert to fraction form
    3,466.32/5,199.45 = 869.25/x
  3. Step 3: Cross multiply
    3,466.32x = 5,199.45 × 869.25
  4. Step 4: Simplify right side
    3,466.32x = 4,519,621.91
  5. Step 5: Solve for x
    x = 4,519,621.91/3,466.32
  6. Step 6: Final answer
    x = 1,303.87

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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.