Home / 2,380.38-3,551.06-2,313.36

Finding the Fourth Proportional to 2,380.38, 3,551.06 and 2,313.36

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Solution

The fourth proportional to 2,380.38, 3,551.06 and 2,313.36 is: 3,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.38 : 3,551.06 = 2,313.36 : x
  2. Step 2: Convert to fraction form
    2,380.38/3,551.06 = 2,313.36/x
  3. Step 3: Cross multiply
    2,380.38x = 3,551.06 × 2,313.36
  4. Step 4: Simplify right side
    2,380.38x = 8,214,868.59
  5. Step 5: Solve for x
    x = 8,214,868.59/2,380.38
  6. Step 6: Final answer
    x = 3,451.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.