Home / 5,296.70-7,307.49-3,172.27

Finding the Fourth Proportional to 5,296.70, 7,307.49 and 3,172.27

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Solution

The fourth proportional to 5,296.70, 7,307.49 and 3,172.27 is: 4,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.70 : 7,307.49 = 3,172.27 : x
  2. Step 2: Convert to fraction form
    5,296.70/7,307.49 = 3,172.27/x
  3. Step 3: Cross multiply
    5,296.70x = 7,307.49 × 3,172.27
  4. Step 4: Simplify right side
    5,296.70x = 23,181,331.30
  5. Step 5: Solve for x
    x = 23,181,331.30/5,296.70
  6. Step 6: Final answer
    x = 4,376.56

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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.