Home / 4,306.65-5,945.14-3,311.58

Finding the Fourth Proportional to 4,306.65, 5,945.14 and 3,311.58

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Solution

The fourth proportional to 4,306.65, 5,945.14 and 3,311.58 is: 4,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.65 : 5,945.14 = 3,311.58 : x
  2. Step 2: Convert to fraction form
    4,306.65/5,945.14 = 3,311.58/x
  3. Step 3: Cross multiply
    4,306.65x = 5,945.14 × 3,311.58
  4. Step 4: Simplify right side
    4,306.65x = 19,687,806.72
  5. Step 5: Solve for x
    x = 19,687,806.72/4,306.65
  6. Step 6: Final answer
    x = 4,571.49

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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.