Home / 2,057.23-2,838.28-1,172.41

Finding the Fourth Proportional to 2,057.23, 2,838.28 and 1,172.41

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Solution

The fourth proportional to 2,057.23, 2,838.28 and 1,172.41 is: 1,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.23 : 2,838.28 = 1,172.41 : x
  2. Step 2: Convert to fraction form
    2,057.23/2,838.28 = 1,172.41/x
  3. Step 3: Cross multiply
    2,057.23x = 2,838.28 × 1,172.41
  4. Step 4: Simplify right side
    2,057.23x = 3,327,627.85
  5. Step 5: Solve for x
    x = 3,327,627.85/2,057.23
  6. Step 6: Final answer
    x = 1,617.53

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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.