Home / 3,193.31-4,789.18-1,113.01

Finding the Fourth Proportional to 3,193.31, 4,789.18 and 1,113.01

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Solution

The fourth proportional to 3,193.31, 4,789.18 and 1,113.01 is: 1,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.31 : 4,789.18 = 1,113.01 : x
  2. Step 2: Convert to fraction form
    3,193.31/4,789.18 = 1,113.01/x
  3. Step 3: Cross multiply
    3,193.31x = 4,789.18 × 1,113.01
  4. Step 4: Simplify right side
    3,193.31x = 5,330,388.39
  5. Step 5: Solve for x
    x = 5,330,388.39/3,193.31
  6. Step 6: Final answer
    x = 1,669.24

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Double scale
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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.