Home / 1,833.93-2,531.40-1,172.57

Finding the Fourth Proportional to 1,833.93, 2,531.40 and 1,172.57

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Solution

The fourth proportional to 1,833.93, 2,531.40 and 1,172.57 is: 1,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.93 : 2,531.40 = 1,172.57 : x
  2. Step 2: Convert to fraction form
    1,833.93/2,531.40 = 1,172.57/x
  3. Step 3: Cross multiply
    1,833.93x = 2,531.40 × 1,172.57
  4. Step 4: Simplify right side
    1,833.93x = 2,968,231.04
  5. Step 5: Solve for x
    x = 2,968,231.04/1,833.93
  6. Step 6: Final answer
    x = 1,618.51

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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.