Home / 2,161.60-3,228.59-1,727.44

Finding the Fourth Proportional to 2,161.60, 3,228.59 and 1,727.44

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Solution

The fourth proportional to 2,161.60, 3,228.59 and 1,727.44 is: 2,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.60 : 3,228.59 = 1,727.44 : x
  2. Step 2: Convert to fraction form
    2,161.60/3,228.59 = 1,727.44/x
  3. Step 3: Cross multiply
    2,161.60x = 3,228.59 × 1,727.44
  4. Step 4: Simplify right side
    2,161.60x = 5,577,195.51
  5. Step 5: Solve for x
    x = 5,577,195.51/2,161.60
  6. Step 6: Final answer
    x = 2,580.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.