Home / 2,972.53-4,102.25-1,793.68

Finding the Fourth Proportional to 2,972.53, 4,102.25 and 1,793.68

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Solution

The fourth proportional to 2,972.53, 4,102.25 and 1,793.68 is: 2,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.53 : 4,102.25 = 1,793.68 : x
  2. Step 2: Convert to fraction form
    2,972.53/4,102.25 = 1,793.68/x
  3. Step 3: Cross multiply
    2,972.53x = 4,102.25 × 1,793.68
  4. Step 4: Simplify right side
    2,972.53x = 7,358,104.56
  5. Step 5: Solve for x
    x = 7,358,104.56/2,972.53
  6. Step 6: Final answer
    x = 2,475.37

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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.