Home / 5,084.02-7,626.30-1,621

Finding the Fourth Proportional to 5,084.02, 7,626.30 and 1,621

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Solution

The fourth proportional to 5,084.02, 7,626.30 and 1,621 is: 2,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.02 : 7,626.30 = 1,621 : x
  2. Step 2: Convert to fraction form
    5,084.02/7,626.30 = 1,621/x
  3. Step 3: Cross multiply
    5,084.02x = 7,626.30 × 1,621
  4. Step 4: Simplify right side
    5,084.02x = 12,362,232.30
  5. Step 5: Solve for x
    x = 12,362,232.30/5,084.02
  6. Step 6: Final answer
    x = 2,431.59

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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.