Home / 1,806.31-2,493.81-1,177.93

Finding the Fourth Proportional to 1,806.31, 2,493.81 and 1,177.93

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Solution

The fourth proportional to 1,806.31, 2,493.81 and 1,177.93 is: 1,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.31 : 2,493.81 = 1,177.93 : x
  2. Step 2: Convert to fraction form
    1,806.31/2,493.81 = 1,177.93/x
  3. Step 3: Cross multiply
    1,806.31x = 2,493.81 × 1,177.93
  4. Step 4: Simplify right side
    1,806.31x = 2,937,539.94
  5. Step 5: Solve for x
    x = 2,937,539.94/1,806.31
  6. Step 6: Final answer
    x = 1,626.26

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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.