Home / 4,782.75-7,170.18-2,011.56

Finding the Fourth Proportional to 4,782.75, 7,170.18 and 2,011.56

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Solution

The fourth proportional to 4,782.75, 7,170.18 and 2,011.56 is: 3,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.75 : 7,170.18 = 2,011.56 : x
  2. Step 2: Convert to fraction form
    4,782.75/7,170.18 = 2,011.56/x
  3. Step 3: Cross multiply
    4,782.75x = 7,170.18 × 2,011.56
  4. Step 4: Simplify right side
    4,782.75x = 14,423,247.28
  5. Step 5: Solve for x
    x = 14,423,247.28/4,782.75
  6. Step 6: Final answer
    x = 3,015.68

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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.