Home / 1,474.20-2,033.32-1,020.12

Finding the Fourth Proportional to 1,474.20, 2,033.32 and 1,020.12

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Solution

The fourth proportional to 1,474.20, 2,033.32 and 1,020.12 is: 1,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.20 : 2,033.32 = 1,020.12 : x
  2. Step 2: Convert to fraction form
    1,474.20/2,033.32 = 1,020.12/x
  3. Step 3: Cross multiply
    1,474.20x = 2,033.32 × 1,020.12
  4. Step 4: Simplify right side
    1,474.20x = 2,074,230.40
  5. Step 5: Solve for x
    x = 2,074,230.40/1,474.20
  6. Step 6: Final answer
    x = 1,407.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.