Home / 1,367.12-2,050.97-442.46

Finding the Fourth Proportional to 1,367.12, 2,050.97 and 442.46

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Solution

The fourth proportional to 1,367.12, 2,050.97 and 442.46 is: 663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.12 : 2,050.97 = 442.46 : x
  2. Step 2: Convert to fraction form
    1,367.12/2,050.97 = 442.46/x
  3. Step 3: Cross multiply
    1,367.12x = 2,050.97 × 442.46
  4. Step 4: Simplify right side
    1,367.12x = 907,459.72
  5. Step 5: Solve for x
    x = 907,459.72/1,367.12
  6. Step 6: Final answer
    x = 663.78

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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.