Home / 3,655.38-5,483.13-1,190.46

Finding the Fourth Proportional to 3,655.38, 5,483.13 and 1,190.46

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Solution

The fourth proportional to 3,655.38, 5,483.13 and 1,190.46 is: 1,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.38 : 5,483.13 = 1,190.46 : x
  2. Step 2: Convert to fraction form
    3,655.38/5,483.13 = 1,190.46/x
  3. Step 3: Cross multiply
    3,655.38x = 5,483.13 × 1,190.46
  4. Step 4: Simplify right side
    3,655.38x = 6,527,446.94
  5. Step 5: Solve for x
    x = 6,527,446.94/3,655.38
  6. Step 6: Final answer
    x = 1,785.71

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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.