Home / 1,596.54-2,391.30-1,287.66

Finding the Fourth Proportional to 1,596.54, 2,391.30 and 1,287.66

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Solution

The fourth proportional to 1,596.54, 2,391.30 and 1,287.66 is: 1,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.54 : 2,391.30 = 1,287.66 : x
  2. Step 2: Convert to fraction form
    1,596.54/2,391.30 = 1,287.66/x
  3. Step 3: Cross multiply
    1,596.54x = 2,391.30 × 1,287.66
  4. Step 4: Simplify right side
    1,596.54x = 3,079,181.36
  5. Step 5: Solve for x
    x = 3,079,181.36/1,596.54
  6. Step 6: Final answer
    x = 1,928.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.