Home / 5,280.97-7,288.52-3,042.42

Finding the Fourth Proportional to 5,280.97, 7,288.52 and 3,042.42

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Solution

The fourth proportional to 5,280.97, 7,288.52 and 3,042.42 is: 4,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.97 : 7,288.52 = 3,042.42 : x
  2. Step 2: Convert to fraction form
    5,280.97/7,288.52 = 3,042.42/x
  3. Step 3: Cross multiply
    5,280.97x = 7,288.52 × 3,042.42
  4. Step 4: Simplify right side
    5,280.97x = 22,174,739.02
  5. Step 5: Solve for x
    x = 22,174,739.02/5,280.97
  6. Step 6: Final answer
    x = 4,198.99

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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.