Home / 3,192.30-4,403.58-1,998.09

Finding the Fourth Proportional to 3,192.30, 4,403.58 and 1,998.09

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Solution

The fourth proportional to 3,192.30, 4,403.58 and 1,998.09 is: 2,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.30 : 4,403.58 = 1,998.09 : x
  2. Step 2: Convert to fraction form
    3,192.30/4,403.58 = 1,998.09/x
  3. Step 3: Cross multiply
    3,192.30x = 4,403.58 × 1,998.09
  4. Step 4: Simplify right side
    3,192.30x = 8,798,749.16
  5. Step 5: Solve for x
    x = 8,798,749.16/3,192.30
  6. Step 6: Final answer
    x = 2,756.24

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.