Home / 3,133.83-4,325.65-1,808.42

Finding the Fourth Proportional to 3,133.83, 4,325.65 and 1,808.42

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Solution

The fourth proportional to 3,133.83, 4,325.65 and 1,808.42 is: 2,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.83 : 4,325.65 = 1,808.42 : x
  2. Step 2: Convert to fraction form
    3,133.83/4,325.65 = 1,808.42/x
  3. Step 3: Cross multiply
    3,133.83x = 4,325.65 × 1,808.42
  4. Step 4: Simplify right side
    3,133.83x = 7,822,591.97
  5. Step 5: Solve for x
    x = 7,822,591.97/3,133.83
  6. Step 6: Final answer
    x = 2,496.18

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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.