Home / 3,960.87-5,464.45-2,544.36

Finding the Fourth Proportional to 3,960.87, 5,464.45 and 2,544.36

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Solution

The fourth proportional to 3,960.87, 5,464.45 and 2,544.36 is: 3,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.87 : 5,464.45 = 2,544.36 : x
  2. Step 2: Convert to fraction form
    3,960.87/5,464.45 = 2,544.36/x
  3. Step 3: Cross multiply
    3,960.87x = 5,464.45 × 2,544.36
  4. Step 4: Simplify right side
    3,960.87x = 13,903,527.12
  5. Step 5: Solve for x
    x = 13,903,527.12/3,960.87
  6. Step 6: Final answer
    x = 3,510.22

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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.