Home / 1,883.93-2,600.51-1,222.57

Finding the Fourth Proportional to 1,883.93, 2,600.51 and 1,222.57

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Solution

The fourth proportional to 1,883.93, 2,600.51 and 1,222.57 is: 1,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.93 : 2,600.51 = 1,222.57 : x
  2. Step 2: Convert to fraction form
    1,883.93/2,600.51 = 1,222.57/x
  3. Step 3: Cross multiply
    1,883.93x = 2,600.51 × 1,222.57
  4. Step 4: Simplify right side
    1,883.93x = 3,179,286.40
  5. Step 5: Solve for x
    x = 3,179,286.40/1,883.93
  6. Step 6: Final answer
    x = 1,687.58

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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.