Home / 4,974.75-7,463.64-2,785.02

Finding the Fourth Proportional to 4,974.75, 7,463.64 and 2,785.02

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Solution

The fourth proportional to 4,974.75, 7,463.64 and 2,785.02 is: 4,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.75 : 7,463.64 = 2,785.02 : x
  2. Step 2: Convert to fraction form
    4,974.75/7,463.64 = 2,785.02/x
  3. Step 3: Cross multiply
    4,974.75x = 7,463.64 × 2,785.02
  4. Step 4: Simplify right side
    4,974.75x = 20,786,386.67
  5. Step 5: Solve for x
    x = 20,786,386.67/4,974.75
  6. Step 6: Final answer
    x = 4,178.38

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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.