Home / 4,282.40-6,422.38-1,360.62

Finding the Fourth Proportional to 4,282.40, 6,422.38 and 1,360.62

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Solution

The fourth proportional to 4,282.40, 6,422.38 and 1,360.62 is: 2,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.40 : 6,422.38 = 1,360.62 : x
  2. Step 2: Convert to fraction form
    4,282.40/6,422.38 = 1,360.62/x
  3. Step 3: Cross multiply
    4,282.40x = 6,422.38 × 1,360.62
  4. Step 4: Simplify right side
    4,282.40x = 8,738,415.27
  5. Step 5: Solve for x
    x = 8,738,415.27/4,282.40
  6. Step 6: Final answer
    x = 2,040.54

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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.