Home / 2,278.37-3,144.56-2,174.49

Finding the Fourth Proportional to 2,278.37, 3,144.56 and 2,174.49

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Solution

The fourth proportional to 2,278.37, 3,144.56 and 2,174.49 is: 3,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.37 : 3,144.56 = 2,174.49 : x
  2. Step 2: Convert to fraction form
    2,278.37/3,144.56 = 2,174.49/x
  3. Step 3: Cross multiply
    2,278.37x = 3,144.56 × 2,174.49
  4. Step 4: Simplify right side
    2,278.37x = 6,837,803.40
  5. Step 5: Solve for x
    x = 6,837,803.40/2,278.37
  6. Step 6: Final answer
    x = 3,001.18

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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.