Home / 5,786.66-7,985.57-3,134.06

Finding the Fourth Proportional to 5,786.66, 7,985.57 and 3,134.06

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Solution

The fourth proportional to 5,786.66, 7,985.57 and 3,134.06 is: 4,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.66 : 7,985.57 = 3,134.06 : x
  2. Step 2: Convert to fraction form
    5,786.66/7,985.57 = 3,134.06/x
  3. Step 3: Cross multiply
    5,786.66x = 7,985.57 × 3,134.06
  4. Step 4: Simplify right side
    5,786.66x = 25,027,255.51
  5. Step 5: Solve for x
    x = 25,027,255.51/5,786.66
  6. Step 6: Final answer
    x = 4,324.99

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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.