Home / 5,918.12-8,166.96-3,265.64

Finding the Fourth Proportional to 5,918.12, 8,166.96 and 3,265.64

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Solution

The fourth proportional to 5,918.12, 8,166.96 and 3,265.64 is: 4,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.12 : 8,166.96 = 3,265.64 : x
  2. Step 2: Convert to fraction form
    5,918.12/8,166.96 = 3,265.64/x
  3. Step 3: Cross multiply
    5,918.12x = 8,166.96 × 3,265.64
  4. Step 4: Simplify right side
    5,918.12x = 26,670,351.25
  5. Step 5: Solve for x
    x = 26,670,351.25/5,918.12
  6. Step 6: Final answer
    x = 4,506.56

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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.