Home / 6,770.82-9,345.60-4,251.18

Finding the Fourth Proportional to 6,770.82, 9,345.60 and 4,251.18

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Solution

The fourth proportional to 6,770.82, 9,345.60 and 4,251.18 is: 5,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.82 : 9,345.60 = 4,251.18 : x
  2. Step 2: Convert to fraction form
    6,770.82/9,345.60 = 4,251.18/x
  3. Step 3: Cross multiply
    6,770.82x = 9,345.60 × 4,251.18
  4. Step 4: Simplify right side
    6,770.82x = 39,729,827.81
  5. Step 5: Solve for x
    x = 39,729,827.81/6,770.82
  6. Step 6: Final answer
    x = 5,867.80

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Double scale
Find fourth proportional to 6,771.82, 9,346.98 and 4,252.18
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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.