Home / 2,783.10-3,841.07-1,603.97

Finding the Fourth Proportional to 2,783.10, 3,841.07 and 1,603.97

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Solution

The fourth proportional to 2,783.10, 3,841.07 and 1,603.97 is: 2,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.10 : 3,841.07 = 1,603.97 : x
  2. Step 2: Convert to fraction form
    2,783.10/3,841.07 = 1,603.97/x
  3. Step 3: Cross multiply
    2,783.10x = 3,841.07 × 1,603.97
  4. Step 4: Simplify right side
    2,783.10x = 6,160,933.82
  5. Step 5: Solve for x
    x = 6,160,933.82/2,783.10
  6. Step 6: Final answer
    x = 2,213.69

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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.