Home / 2,895.54-4,333.56-2,190.84

Finding the Fourth Proportional to 2,895.54, 4,333.56 and 2,190.84

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Solution

The fourth proportional to 2,895.54, 4,333.56 and 2,190.84 is: 3,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.54 : 4,333.56 = 2,190.84 : x
  2. Step 2: Convert to fraction form
    2,895.54/4,333.56 = 2,190.84/x
  3. Step 3: Cross multiply
    2,895.54x = 4,333.56 × 2,190.84
  4. Step 4: Simplify right side
    2,895.54x = 9,494,136.59
  5. Step 5: Solve for x
    x = 9,494,136.59/2,895.54
  6. Step 6: Final answer
    x = 3,278.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.