Home / 3,191.73-4,404.70-1,775.58

Finding the Fourth Proportional to 3,191.73, 4,404.70 and 1,775.58

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Solution

The fourth proportional to 3,191.73, 4,404.70 and 1,775.58 is: 2,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.73 : 4,404.70 = 1,775.58 : x
  2. Step 2: Convert to fraction form
    3,191.73/4,404.70 = 1,775.58/x
  3. Step 3: Cross multiply
    3,191.73x = 4,404.70 × 1,775.58
  4. Step 4: Simplify right side
    3,191.73x = 7,820,901.66
  5. Step 5: Solve for x
    x = 7,820,901.66/3,191.73
  6. Step 6: Final answer
    x = 2,450.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.