Home / 2,186.06-3,280.14-1,090.58

Finding the Fourth Proportional to 2,186.06, 3,280.14 and 1,090.58

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Solution

The fourth proportional to 2,186.06, 3,280.14 and 1,090.58 is: 1,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.06 : 3,280.14 = 1,090.58 : x
  2. Step 2: Convert to fraction form
    2,186.06/3,280.14 = 1,090.58/x
  3. Step 3: Cross multiply
    2,186.06x = 3,280.14 × 1,090.58
  4. Step 4: Simplify right side
    2,186.06x = 3,577,255.08
  5. Step 5: Solve for x
    x = 3,577,255.08/2,186.06
  6. Step 6: Final answer
    x = 1,636.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.