Home / 5,971.13-8,240.10-3,318.49

Finding the Fourth Proportional to 5,971.13, 8,240.10 and 3,318.49

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Solution

The fourth proportional to 5,971.13, 8,240.10 and 3,318.49 is: 4,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.13 : 8,240.10 = 3,318.49 : x
  2. Step 2: Convert to fraction form
    5,971.13/8,240.10 = 3,318.49/x
  3. Step 3: Cross multiply
    5,971.13x = 8,240.10 × 3,318.49
  4. Step 4: Simplify right side
    5,971.13x = 27,344,648.25
  5. Step 5: Solve for x
    x = 27,344,648.25/5,971.13
  6. Step 6: Final answer
    x = 4,579.48

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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.