Home / 5,282.38-7,289.78-3,043.88

Finding the Fourth Proportional to 5,282.38, 7,289.78 and 3,043.88

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Solution

The fourth proportional to 5,282.38, 7,289.78 and 3,043.88 is: 4,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.38 : 7,289.78 = 3,043.88 : x
  2. Step 2: Convert to fraction form
    5,282.38/7,289.78 = 3,043.88/x
  3. Step 3: Cross multiply
    5,282.38x = 7,289.78 × 3,043.88
  4. Step 4: Simplify right side
    5,282.38x = 22,189,215.55
  5. Step 5: Solve for x
    x = 22,189,215.55/5,282.38
  6. Step 6: Final answer
    x = 4,200.61

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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.