Home / 5,376.44-7,423.25-3,960.36

Finding the Fourth Proportional to 5,376.44, 7,423.25 and 3,960.36

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Solution

The fourth proportional to 5,376.44, 7,423.25 and 3,960.36 is: 5,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.44 : 7,423.25 = 3,960.36 : x
  2. Step 2: Convert to fraction form
    5,376.44/7,423.25 = 3,960.36/x
  3. Step 3: Cross multiply
    5,376.44x = 7,423.25 × 3,960.36
  4. Step 4: Simplify right side
    5,376.44x = 29,398,722.57
  5. Step 5: Solve for x
    x = 29,398,722.57/5,376.44
  6. Step 6: Final answer
    x = 5,468.06

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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.