Home / 3,215.30-4,823.68-1,366.48

Finding the Fourth Proportional to 3,215.30, 4,823.68 and 1,366.48

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Solution

The fourth proportional to 3,215.30, 4,823.68 and 1,366.48 is: 2,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.30 : 4,823.68 = 1,366.48 : x
  2. Step 2: Convert to fraction form
    3,215.30/4,823.68 = 1,366.48/x
  3. Step 3: Cross multiply
    3,215.30x = 4,823.68 × 1,366.48
  4. Step 4: Simplify right side
    3,215.30x = 6,591,462.25
  5. Step 5: Solve for x
    x = 6,591,462.25/3,215.30
  6. Step 6: Final answer
    x = 2,050.03

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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.