Home / 1,902.34-2,632.43-1,622.14

Finding the Fourth Proportional to 1,902.34, 2,632.43 and 1,622.14

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Solution

The fourth proportional to 1,902.34, 2,632.43 and 1,622.14 is: 2,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.34 : 2,632.43 = 1,622.14 : x
  2. Step 2: Convert to fraction form
    1,902.34/2,632.43 = 1,622.14/x
  3. Step 3: Cross multiply
    1,902.34x = 2,632.43 × 1,622.14
  4. Step 4: Simplify right side
    1,902.34x = 4,270,170.00
  5. Step 5: Solve for x
    x = 4,270,170.00/1,902.34
  6. Step 6: Final answer
    x = 2,244.69

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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.