Home / 5,406.37-7,456.46-3,727.39

Finding the Fourth Proportional to 5,406.37, 7,456.46 and 3,727.39

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Solution

The fourth proportional to 5,406.37, 7,456.46 and 3,727.39 is: 5,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.37 : 7,456.46 = 3,727.39 : x
  2. Step 2: Convert to fraction form
    5,406.37/7,456.46 = 3,727.39/x
  3. Step 3: Cross multiply
    5,406.37x = 7,456.46 × 3,727.39
  4. Step 4: Simplify right side
    5,406.37x = 27,793,134.44
  5. Step 5: Solve for x
    x = 27,793,134.44/5,406.37
  6. Step 6: Final answer
    x = 5,140.82

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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.