Home / 5,840.82-8,057.07-3,712.68

Finding the Fourth Proportional to 5,840.82, 8,057.07 and 3,712.68

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Solution

The fourth proportional to 5,840.82, 8,057.07 and 3,712.68 is: 5,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.82 : 8,057.07 = 3,712.68 : x
  2. Step 2: Convert to fraction form
    5,840.82/8,057.07 = 3,712.68/x
  3. Step 3: Cross multiply
    5,840.82x = 8,057.07 × 3,712.68
  4. Step 4: Simplify right side
    5,840.82x = 29,913,322.65
  5. Step 5: Solve for x
    x = 29,913,322.65/5,840.82
  6. Step 6: Final answer
    x = 5,121.43

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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.