Home / 7,725.28-10,660.82-4,322.26

Finding the Fourth Proportional to 7,725.28, 10,660.82 and 4,322.26

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Solution

The fourth proportional to 7,725.28, 10,660.82 and 4,322.26 is: 5,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.28 : 10,660.82 = 4,322.26 : x
  2. Step 2: Convert to fraction form
    7,725.28/10,660.82 = 4,322.26/x
  3. Step 3: Cross multiply
    7,725.28x = 10,660.82 × 4,322.26
  4. Step 4: Simplify right side
    7,725.28x = 46,078,835.85
  5. Step 5: Solve for x
    x = 46,078,835.85/7,725.28
  6. Step 6: Final answer
    x = 5,964.68

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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.