Home / 5,971.56-8,240.28-3,318.54

Finding the Fourth Proportional to 5,971.56, 8,240.28 and 3,318.54

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Solution

The fourth proportional to 5,971.56, 8,240.28 and 3,318.54 is: 4,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.56 : 8,240.28 = 3,318.54 : x
  2. Step 2: Convert to fraction form
    5,971.56/8,240.28 = 3,318.54/x
  3. Step 3: Cross multiply
    5,971.56x = 8,240.28 × 3,318.54
  4. Step 4: Simplify right side
    5,971.56x = 27,345,698.79
  5. Step 5: Solve for x
    x = 27,345,698.79/5,971.56
  6. Step 6: Final answer
    x = 4,579.32

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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.