Home / 5,170.14-7,136.43-3,307.14

Finding the Fourth Proportional to 5,170.14, 7,136.43 and 3,307.14

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Solution

The fourth proportional to 5,170.14, 7,136.43 and 3,307.14 is: 4,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.14 : 7,136.43 = 3,307.14 : x
  2. Step 2: Convert to fraction form
    5,170.14/7,136.43 = 3,307.14/x
  3. Step 3: Cross multiply
    5,170.14x = 7,136.43 × 3,307.14
  4. Step 4: Simplify right side
    5,170.14x = 23,601,173.11
  5. Step 5: Solve for x
    x = 23,601,173.11/5,170.14
  6. Step 6: Final answer
    x = 4,564.90

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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.