Home / 5,171.82-7,136.53-3,047.22

Finding the Fourth Proportional to 5,171.82, 7,136.53 and 3,047.22

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Solution

The fourth proportional to 5,171.82, 7,136.53 and 3,047.22 is: 4,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.82 : 7,136.53 = 3,047.22 : x
  2. Step 2: Convert to fraction form
    5,171.82/7,136.53 = 3,047.22/x
  3. Step 3: Cross multiply
    5,171.82x = 7,136.53 × 3,047.22
  4. Step 4: Simplify right side
    5,171.82x = 21,746,576.95
  5. Step 5: Solve for x
    x = 21,746,576.95/5,171.82
  6. Step 6: Final answer
    x = 4,204.82

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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.