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Finding the Fourth Proportional to 5,080.36, 7,012.02 and 3,217

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Solution

The fourth proportional to 5,080.36, 7,012.02 and 3,217 is: 4,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.36 : 7,012.02 = 3,217 : x
  2. Step 2: Convert to fraction form
    5,080.36/7,012.02 = 3,217/x
  3. Step 3: Cross multiply
    5,080.36x = 7,012.02 × 3,217
  4. Step 4: Simplify right side
    5,080.36x = 22,557,668.34
  5. Step 5: Solve for x
    x = 22,557,668.34/5,080.36
  6. Step 6: Final answer
    x = 4,440.17

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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.