Home / 2,783.25-3,841.35-1,604.10

Finding the Fourth Proportional to 2,783.25, 3,841.35 and 1,604.10

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Solution

The fourth proportional to 2,783.25, 3,841.35 and 1,604.10 is: 2,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.25 : 3,841.35 = 1,604.10 : x
  2. Step 2: Convert to fraction form
    2,783.25/3,841.35 = 1,604.10/x
  3. Step 3: Cross multiply
    2,783.25x = 3,841.35 × 1,604.10
  4. Step 4: Simplify right side
    2,783.25x = 6,161,909.54
  5. Step 5: Solve for x
    x = 6,161,909.54/2,783.25
  6. Step 6: Final answer
    x = 2,213.93

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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.