Home / 6,265.90-8,645.97-3,613.69

Finding the Fourth Proportional to 6,265.90, 8,645.97 and 3,613.69

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Solution

The fourth proportional to 6,265.90, 8,645.97 and 3,613.69 is: 4,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.90 : 8,645.97 = 3,613.69 : x
  2. Step 2: Convert to fraction form
    6,265.90/8,645.97 = 3,613.69/x
  3. Step 3: Cross multiply
    6,265.90x = 8,645.97 × 3,613.69
  4. Step 4: Simplify right side
    6,265.90x = 31,243,855.33
  5. Step 5: Solve for x
    x = 31,243,855.33/6,265.90
  6. Step 6: Final answer
    x = 4,986.33

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Half scale
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Double scale
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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.