Home / 3,538.18-4,882.68-1,944.81

Finding the Fourth Proportional to 3,538.18, 4,882.68 and 1,944.81

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Solution

The fourth proportional to 3,538.18, 4,882.68 and 1,944.81 is: 2,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.18 : 4,882.68 = 1,944.81 : x
  2. Step 2: Convert to fraction form
    3,538.18/4,882.68 = 1,944.81/x
  3. Step 3: Cross multiply
    3,538.18x = 4,882.68 × 1,944.81
  4. Step 4: Simplify right side
    3,538.18x = 9,495,884.89
  5. Step 5: Solve for x
    x = 9,495,884.89/3,538.18
  6. Step 6: Final answer
    x = 2,683.83

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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.