Home / 3,270.48-4,514.76-2,195.56

Finding the Fourth Proportional to 3,270.48, 4,514.76 and 2,195.56

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Solution

The fourth proportional to 3,270.48, 4,514.76 and 2,195.56 is: 3,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.48 : 4,514.76 = 2,195.56 : x
  2. Step 2: Convert to fraction form
    3,270.48/4,514.76 = 2,195.56/x
  3. Step 3: Cross multiply
    3,270.48x = 4,514.76 × 2,195.56
  4. Step 4: Simplify right side
    3,270.48x = 9,912,426.47
  5. Step 5: Solve for x
    x = 9,912,426.47/3,270.48
  6. Step 6: Final answer
    x = 3,030.88

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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.