Home / 7,172.98-10,759.37-3,475.53

Finding the Fourth Proportional to 7,172.98, 10,759.37 and 3,475.53

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Solution

The fourth proportional to 7,172.98, 10,759.37 and 3,475.53 is: 5,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.98 : 10,759.37 = 3,475.53 : x
  2. Step 2: Convert to fraction form
    7,172.98/10,759.37 = 3,475.53/x
  3. Step 3: Cross multiply
    7,172.98x = 10,759.37 × 3,475.53
  4. Step 4: Simplify right side
    7,172.98x = 37,394,495.84
  5. Step 5: Solve for x
    x = 37,394,495.84/7,172.98
  6. Step 6: Final answer
    x = 5,213.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.