Home / 4,178.46-5,766.27-2,315.46

Finding the Fourth Proportional to 4,178.46, 5,766.27 and 2,315.46

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Solution

The fourth proportional to 4,178.46, 5,766.27 and 2,315.46 is: 3,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.46 : 5,766.27 = 2,315.46 : x
  2. Step 2: Convert to fraction form
    4,178.46/5,766.27 = 2,315.46/x
  3. Step 3: Cross multiply
    4,178.46x = 5,766.27 × 2,315.46
  4. Step 4: Simplify right side
    4,178.46x = 13,351,567.53
  5. Step 5: Solve for x
    x = 13,351,567.53/4,178.46
  6. Step 6: Final answer
    x = 3,195.33

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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.