Home / 1,840.28-2,539.88-1,177.44

Finding the Fourth Proportional to 1,840.28, 2,539.88 and 1,177.44

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Solution

The fourth proportional to 1,840.28, 2,539.88 and 1,177.44 is: 1,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.28 : 2,539.88 = 1,177.44 : x
  2. Step 2: Convert to fraction form
    1,840.28/2,539.88 = 1,177.44/x
  3. Step 3: Cross multiply
    1,840.28x = 2,539.88 × 1,177.44
  4. Step 4: Simplify right side
    1,840.28x = 2,990,556.31
  5. Step 5: Solve for x
    x = 2,990,556.31/1,840.28
  6. Step 6: Final answer
    x = 1,625.06

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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.