Home / 3,654.20-5,483.70-1,806.56

Finding the Fourth Proportional to 3,654.20, 5,483.70 and 1,806.56

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Solution

The fourth proportional to 3,654.20, 5,483.70 and 1,806.56 is: 2,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.20 : 5,483.70 = 1,806.56 : x
  2. Step 2: Convert to fraction form
    3,654.20/5,483.70 = 1,806.56/x
  3. Step 3: Cross multiply
    3,654.20x = 5,483.70 × 1,806.56
  4. Step 4: Simplify right side
    3,654.20x = 9,906,633.07
  5. Step 5: Solve for x
    x = 9,906,633.07/3,654.20
  6. Step 6: Final answer
    x = 2,711.03

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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.