Home / 5,971.24-8,238.18-4,105

Finding the Fourth Proportional to 5,971.24, 8,238.18 and 4,105

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Solution

The fourth proportional to 5,971.24, 8,238.18 and 4,105 is: 5,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.24 : 8,238.18 = 4,105 : x
  2. Step 2: Convert to fraction form
    5,971.24/8,238.18 = 4,105/x
  3. Step 3: Cross multiply
    5,971.24x = 8,238.18 × 4,105
  4. Step 4: Simplify right side
    5,971.24x = 33,817,728.90
  5. Step 5: Solve for x
    x = 33,817,728.90/5,971.24
  6. Step 6: Final answer
    x = 5,663.43

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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.