Home / 2,713.24-3,751.14-2,123.56

Finding the Fourth Proportional to 2,713.24, 3,751.14 and 2,123.56

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Solution

The fourth proportional to 2,713.24, 3,751.14 and 2,123.56 is: 2,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.24 : 3,751.14 = 2,123.56 : x
  2. Step 2: Convert to fraction form
    2,713.24/3,751.14 = 2,123.56/x
  3. Step 3: Cross multiply
    2,713.24x = 3,751.14 × 2,123.56
  4. Step 4: Simplify right side
    2,713.24x = 7,965,770.86
  5. Step 5: Solve for x
    x = 7,965,770.86/2,713.24
  6. Step 6: Final answer
    x = 2,935.89

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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.