Home / 7,172.56-10,757.58-3,276.04

Finding the Fourth Proportional to 7,172.56, 10,757.58 and 3,276.04

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Solution

The fourth proportional to 7,172.56, 10,757.58 and 3,276.04 is: 4,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.56 : 10,757.58 = 3,276.04 : x
  2. Step 2: Convert to fraction form
    7,172.56/10,757.58 = 3,276.04/x
  3. Step 3: Cross multiply
    7,172.56x = 10,757.58 × 3,276.04
  4. Step 4: Simplify right side
    7,172.56x = 35,242,262.38
  5. Step 5: Solve for x
    x = 35,242,262.38/7,172.56
  6. Step 6: Final answer
    x = 4,913.48

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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.