Home / 1,912.02-2,869.29-1,450.32

Finding the Fourth Proportional to 1,912.02, 2,869.29 and 1,450.32

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Solution

The fourth proportional to 1,912.02, 2,869.29 and 1,450.32 is: 2,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.02 : 2,869.29 = 1,450.32 : x
  2. Step 2: Convert to fraction form
    1,912.02/2,869.29 = 1,450.32/x
  3. Step 3: Cross multiply
    1,912.02x = 2,869.29 × 1,450.32
  4. Step 4: Simplify right side
    1,912.02x = 4,161,388.67
  5. Step 5: Solve for x
    x = 4,161,388.67/1,912.02
  6. Step 6: Final answer
    x = 2,176.44

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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.