Home / 2,783.79-3,841.56-1,604.97

Finding the Fourth Proportional to 2,783.79, 3,841.56 and 1,604.97

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Solution

The fourth proportional to 2,783.79, 3,841.56 and 1,604.97 is: 2,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.79 : 3,841.56 = 1,604.97 : x
  2. Step 2: Convert to fraction form
    2,783.79/3,841.56 = 1,604.97/x
  3. Step 3: Cross multiply
    2,783.79x = 3,841.56 × 1,604.97
  4. Step 4: Simplify right side
    2,783.79x = 6,165,588.55
  5. Step 5: Solve for x
    x = 6,165,588.55/2,783.79
  6. Step 6: Final answer
    x = 2,214.82

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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.