Home / 5,500.49-7,591.07-3,142.58

Finding the Fourth Proportional to 5,500.49, 7,591.07 and 3,142.58

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Solution

The fourth proportional to 5,500.49, 7,591.07 and 3,142.58 is: 4,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.49 : 7,591.07 = 3,142.58 : x
  2. Step 2: Convert to fraction form
    5,500.49/7,591.07 = 3,142.58/x
  3. Step 3: Cross multiply
    5,500.49x = 7,591.07 × 3,142.58
  4. Step 4: Simplify right side
    5,500.49x = 23,855,491.09
  5. Step 5: Solve for x
    x = 23,855,491.09/5,500.49
  6. Step 6: Final answer
    x = 4,336.98

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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.