Home / 1,766.26-2,438.54-1,137.03

Finding the Fourth Proportional to 1,766.26, 2,438.54 and 1,137.03

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Solution

The fourth proportional to 1,766.26, 2,438.54 and 1,137.03 is: 1,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.26 : 2,438.54 = 1,137.03 : x
  2. Step 2: Convert to fraction form
    1,766.26/2,438.54 = 1,137.03/x
  3. Step 3: Cross multiply
    1,766.26x = 2,438.54 × 1,137.03
  4. Step 4: Simplify right side
    1,766.26x = 2,772,693.14
  5. Step 5: Solve for x
    x = 2,772,693.14/1,766.26
  6. Step 6: Final answer
    x = 1,569.81

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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.