Home / 4,756.53-7,129.79-2,286.14

Finding the Fourth Proportional to 4,756.53, 7,129.79 and 2,286.14

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Solution

The fourth proportional to 4,756.53, 7,129.79 and 2,286.14 is: 3,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.53 : 7,129.79 = 2,286.14 : x
  2. Step 2: Convert to fraction form
    4,756.53/7,129.79 = 2,286.14/x
  3. Step 3: Cross multiply
    4,756.53x = 7,129.79 × 2,286.14
  4. Step 4: Simplify right side
    4,756.53x = 16,299,659.60
  5. Step 5: Solve for x
    x = 16,299,659.60/4,756.53
  6. Step 6: Final answer
    x = 3,426.79

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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.