Home / 3,609.96-4,981.47-2,037.75

Finding the Fourth Proportional to 3,609.96, 4,981.47 and 2,037.75

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Solution

The fourth proportional to 3,609.96, 4,981.47 and 2,037.75 is: 2,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.96 : 4,981.47 = 2,037.75 : x
  2. Step 2: Convert to fraction form
    3,609.96/4,981.47 = 2,037.75/x
  3. Step 3: Cross multiply
    3,609.96x = 4,981.47 × 2,037.75
  4. Step 4: Simplify right side
    3,609.96x = 10,150,990.49
  5. Step 5: Solve for x
    x = 10,150,990.49/3,609.96
  6. Step 6: Final answer
    x = 2,811.94

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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.