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Finding the Fourth Proportional to 2,090.31, 3,135.60 and 995.46

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Solution

The fourth proportional to 2,090.31, 3,135.60 and 995.46 is: 1,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.31 : 3,135.60 = 995.46 : x
  2. Step 2: Convert to fraction form
    2,090.31/3,135.60 = 995.46/x
  3. Step 3: Cross multiply
    2,090.31x = 3,135.60 × 995.46
  4. Step 4: Simplify right side
    2,090.31x = 3,121,364.38
  5. Step 5: Solve for x
    x = 3,121,364.38/2,090.31
  6. Step 6: Final answer
    x = 1,493.25

Related Problems

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Double scale
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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.