Home / 2,784.11-3,841.56-1,589.09

Finding the Fourth Proportional to 2,784.11, 3,841.56 and 1,589.09

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Solution

The fourth proportional to 2,784.11, 3,841.56 and 1,589.09 is: 2,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.11 : 3,841.56 = 1,589.09 : x
  2. Step 2: Convert to fraction form
    2,784.11/3,841.56 = 1,589.09/x
  3. Step 3: Cross multiply
    2,784.11x = 3,841.56 × 1,589.09
  4. Step 4: Simplify right side
    2,784.11x = 6,104,565.37
  5. Step 5: Solve for x
    x = 6,104,565.37/2,784.11
  6. Step 6: Final answer
    x = 2,192.65

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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.