Home / 4,178.45-5,766.26-2,315.45

Finding the Fourth Proportional to 4,178.45, 5,766.26 and 2,315.45

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Solution

The fourth proportional to 4,178.45, 5,766.26 and 2,315.45 is: 3,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.45 : 5,766.26 = 2,315.45 : x
  2. Step 2: Convert to fraction form
    4,178.45/5,766.26 = 2,315.45/x
  3. Step 3: Cross multiply
    4,178.45x = 5,766.26 × 2,315.45
  4. Step 4: Simplify right side
    4,178.45x = 13,351,446.31
  5. Step 5: Solve for x
    x = 13,351,446.31/4,178.45
  6. Step 6: Final answer
    x = 3,195.31

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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.