Home / 3,472.59-5,222.12-2,771.40

Finding the Fourth Proportional to 3,472.59, 5,222.12 and 2,771.40

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Solution

The fourth proportional to 3,472.59, 5,222.12 and 2,771.40 is: 4,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.59 : 5,222.12 = 2,771.40 : x
  2. Step 2: Convert to fraction form
    3,472.59/5,222.12 = 2,771.40/x
  3. Step 3: Cross multiply
    3,472.59x = 5,222.12 × 2,771.40
  4. Step 4: Simplify right side
    3,472.59x = 14,472,583.37
  5. Step 5: Solve for x
    x = 14,472,583.37/3,472.59
  6. Step 6: Final answer
    x = 4,167.66

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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.