Home / 5,971.66-8,239.55-3,613.75

Finding the Fourth Proportional to 5,971.66, 8,239.55 and 3,613.75

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Solution

The fourth proportional to 5,971.66, 8,239.55 and 3,613.75 is: 4,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.66 : 8,239.55 = 3,613.75 : x
  2. Step 2: Convert to fraction form
    5,971.66/8,239.55 = 3,613.75/x
  3. Step 3: Cross multiply
    5,971.66x = 8,239.55 × 3,613.75
  4. Step 4: Simplify right side
    5,971.66x = 29,775,683.73
  5. Step 5: Solve for x
    x = 29,775,683.73/5,971.66
  6. Step 6: Final answer
    x = 4,986.17

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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.