Home / 2,705.22-3,732.49-1,585.55

Finding the Fourth Proportional to 2,705.22, 3,732.49 and 1,585.55

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Solution

The fourth proportional to 2,705.22, 3,732.49 and 1,585.55 is: 2,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.22 : 3,732.49 = 1,585.55 : x
  2. Step 2: Convert to fraction form
    2,705.22/3,732.49 = 1,585.55/x
  3. Step 3: Cross multiply
    2,705.22x = 3,732.49 × 1,585.55
  4. Step 4: Simplify right side
    2,705.22x = 5,918,049.52
  5. Step 5: Solve for x
    x = 5,918,049.52/2,705.22
  6. Step 6: Final answer
    x = 2,187.64

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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.