Home / 2,784.41-3,842.60-1,605.59

Finding the Fourth Proportional to 2,784.41, 3,842.60 and 1,605.59

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Solution

The fourth proportional to 2,784.41, 3,842.60 and 1,605.59 is: 2,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.41 : 3,842.60 = 1,605.59 : x
  2. Step 2: Convert to fraction form
    2,784.41/3,842.60 = 1,605.59/x
  3. Step 3: Cross multiply
    2,784.41x = 3,842.60 × 1,605.59
  4. Step 4: Simplify right side
    2,784.41x = 6,169,612.89
  5. Step 5: Solve for x
    x = 6,169,612.89/2,784.41
  6. Step 6: Final answer
    x = 2,215.77

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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.