Home / 2,185.38-3,014.33-1,300.50

Finding the Fourth Proportional to 2,185.38, 3,014.33 and 1,300.50

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Solution

The fourth proportional to 2,185.38, 3,014.33 and 1,300.50 is: 1,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.38 : 3,014.33 = 1,300.50 : x
  2. Step 2: Convert to fraction form
    2,185.38/3,014.33 = 1,300.50/x
  3. Step 3: Cross multiply
    2,185.38x = 3,014.33 × 1,300.50
  4. Step 4: Simplify right side
    2,185.38x = 3,920,129.66
  5. Step 5: Solve for x
    x = 3,920,129.66/2,185.38
  6. Step 6: Final answer
    x = 1,793.80

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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.