Home / 7,714.49-10,645.97-4,177.73

Finding the Fourth Proportional to 7,714.49, 10,645.97 and 4,177.73

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Solution

The fourth proportional to 7,714.49, 10,645.97 and 4,177.73 is: 5,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.49 : 10,645.97 = 4,177.73 : x
  2. Step 2: Convert to fraction form
    7,714.49/10,645.97 = 4,177.73/x
  3. Step 3: Cross multiply
    7,714.49x = 10,645.97 × 4,177.73
  4. Step 4: Simplify right side
    7,714.49x = 44,475,935.02
  5. Step 5: Solve for x
    x = 44,475,935.02/7,714.49
  6. Step 6: Final answer
    x = 5,765.25

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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.