Home / 1,993.25-2,749.74-1,404.11

Finding the Fourth Proportional to 1,993.25, 2,749.74 and 1,404.11

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Solution

The fourth proportional to 1,993.25, 2,749.74 and 1,404.11 is: 1,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.25 : 2,749.74 = 1,404.11 : x
  2. Step 2: Convert to fraction form
    1,993.25/2,749.74 = 1,404.11/x
  3. Step 3: Cross multiply
    1,993.25x = 2,749.74 × 1,404.11
  4. Step 4: Simplify right side
    1,993.25x = 3,860,937.43
  5. Step 5: Solve for x
    x = 3,860,937.43/1,993.25
  6. Step 6: Final answer
    x = 1,937.01

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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.