Home / 5,971.05-8,239.59-3,318.30

Finding the Fourth Proportional to 5,971.05, 8,239.59 and 3,318.30

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Solution

The fourth proportional to 5,971.05, 8,239.59 and 3,318.30 is: 4,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.05 : 8,239.59 = 3,318.30 : x
  2. Step 2: Convert to fraction form
    5,971.05/8,239.59 = 3,318.30/x
  3. Step 3: Cross multiply
    5,971.05x = 8,239.59 × 3,318.30
  4. Step 4: Simplify right side
    5,971.05x = 27,341,431.50
  5. Step 5: Solve for x
    x = 27,341,431.50/5,971.05
  6. Step 6: Final answer
    x = 4,579.00

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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.