Home / 3,376.96-4,660.12-2,195.80

Finding the Fourth Proportional to 3,376.96, 4,660.12 and 2,195.80

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Solution

The fourth proportional to 3,376.96, 4,660.12 and 2,195.80 is: 3,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.96 : 4,660.12 = 2,195.80 : x
  2. Step 2: Convert to fraction form
    3,376.96/4,660.12 = 2,195.80/x
  3. Step 3: Cross multiply
    3,376.96x = 4,660.12 × 2,195.80
  4. Step 4: Simplify right side
    3,376.96x = 10,232,691.50
  5. Step 5: Solve for x
    x = 10,232,691.50/3,376.96
  6. Step 6: Final answer
    x = 3,030.15

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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.