Home / 2,382.75-3,303.45-2,251.53

Finding the Fourth Proportional to 2,382.75, 3,303.45 and 2,251.53

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Solution

The fourth proportional to 2,382.75, 3,303.45 and 2,251.53 is: 3,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.75 : 3,303.45 = 2,251.53 : x
  2. Step 2: Convert to fraction form
    2,382.75/3,303.45 = 2,251.53/x
  3. Step 3: Cross multiply
    2,382.75x = 3,303.45 × 2,251.53
  4. Step 4: Simplify right side
    2,382.75x = 7,437,816.78
  5. Step 5: Solve for x
    x = 7,437,816.78/2,382.75
  6. Step 6: Final answer
    x = 3,121.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.