Home / 3,790.94-5,231.76-2,298.92

Finding the Fourth Proportional to 3,790.94, 5,231.76 and 2,298.92

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Solution

The fourth proportional to 3,790.94, 5,231.76 and 2,298.92 is: 3,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.94 : 5,231.76 = 2,298.92 : x
  2. Step 2: Convert to fraction form
    3,790.94/5,231.76 = 2,298.92/x
  3. Step 3: Cross multiply
    3,790.94x = 5,231.76 × 2,298.92
  4. Step 4: Simplify right side
    3,790.94x = 12,027,397.70
  5. Step 5: Solve for x
    x = 12,027,397.70/3,790.94
  6. Step 6: Final answer
    x = 3,172.67

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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.