Home / 3,266.12-4,898.21-1,416.78

Finding the Fourth Proportional to 3,266.12, 4,898.21 and 1,416.78

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Solution

The fourth proportional to 3,266.12, 4,898.21 and 1,416.78 is: 2,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.12 : 4,898.21 = 1,416.78 : x
  2. Step 2: Convert to fraction form
    3,266.12/4,898.21 = 1,416.78/x
  3. Step 3: Cross multiply
    3,266.12x = 4,898.21 × 1,416.78
  4. Step 4: Simplify right side
    3,266.12x = 6,939,678.88
  5. Step 5: Solve for x
    x = 6,939,678.88/3,266.12
  6. Step 6: Final answer
    x = 2,124.75

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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.