Home / 5,970.91-8,239.69-3,318.25

Finding the Fourth Proportional to 5,970.91, 8,239.69 and 3,318.25

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Solution

The fourth proportional to 5,970.91, 8,239.69 and 3,318.25 is: 4,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.91 : 8,239.69 = 3,318.25 : x
  2. Step 2: Convert to fraction form
    5,970.91/8,239.69 = 3,318.25/x
  3. Step 3: Cross multiply
    5,970.91x = 8,239.69 × 3,318.25
  4. Step 4: Simplify right side
    5,970.91x = 27,341,351.34
  5. Step 5: Solve for x
    x = 27,341,351.34/5,970.91
  6. Step 6: Final answer
    x = 4,579.09

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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.