Home / 3,215.49-4,823.48-1,135.41

Finding the Fourth Proportional to 3,215.49, 4,823.48 and 1,135.41

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Solution

The fourth proportional to 3,215.49, 4,823.48 and 1,135.41 is: 1,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.49 : 4,823.48 = 1,135.41 : x
  2. Step 2: Convert to fraction form
    3,215.49/4,823.48 = 1,135.41/x
  3. Step 3: Cross multiply
    3,215.49x = 4,823.48 × 1,135.41
  4. Step 4: Simplify right side
    3,215.49x = 5,476,627.43
  5. Step 5: Solve for x
    x = 5,476,627.43/3,215.49
  6. Step 6: Final answer
    x = 1,703.20

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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.