Home / 3,315.06-4,576.80-2,196.96

Finding the Fourth Proportional to 3,315.06, 4,576.80 and 2,196.96

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Solution

The fourth proportional to 3,315.06, 4,576.80 and 2,196.96 is: 3,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.06 : 4,576.80 = 2,196.96 : x
  2. Step 2: Convert to fraction form
    3,315.06/4,576.80 = 2,196.96/x
  3. Step 3: Cross multiply
    3,315.06x = 4,576.80 × 2,196.96
  4. Step 4: Simplify right side
    3,315.06x = 10,055,046.53
  5. Step 5: Solve for x
    x = 10,055,046.53/3,315.06
  6. Step 6: Final answer
    x = 3,033.14

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1.5x scale

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.