Home / 5,268.39-7,269.72-3,279.59

Finding the Fourth Proportional to 5,268.39, 7,269.72 and 3,279.59

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Solution

The fourth proportional to 5,268.39, 7,269.72 and 3,279.59 is: 4,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.39 : 7,269.72 = 3,279.59 : x
  2. Step 2: Convert to fraction form
    5,268.39/7,269.72 = 3,279.59/x
  3. Step 3: Cross multiply
    5,268.39x = 7,269.72 × 3,279.59
  4. Step 4: Simplify right side
    5,268.39x = 23,841,707.30
  5. Step 5: Solve for x
    x = 23,841,707.30/5,268.39
  6. Step 6: Final answer
    x = 4,525.42

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Half scale
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Double scale
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Similar ratio
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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.