Home / 2,553.63-3,527.45-2,255.34

Finding the Fourth Proportional to 2,553.63, 3,527.45 and 2,255.34

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Solution

The fourth proportional to 2,553.63, 3,527.45 and 2,255.34 is: 3,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.63 : 3,527.45 = 2,255.34 : x
  2. Step 2: Convert to fraction form
    2,553.63/3,527.45 = 2,255.34/x
  3. Step 3: Cross multiply
    2,553.63x = 3,527.45 × 2,255.34
  4. Step 4: Simplify right side
    2,553.63x = 7,955,609.49
  5. Step 5: Solve for x
    x = 7,955,609.49/2,553.63
  6. Step 6: Final answer
    x = 3,115.42

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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.