Home / 5,544.40-7,651.56-3,186.76

Finding the Fourth Proportional to 5,544.40, 7,651.56 and 3,186.76

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Solution

The fourth proportional to 5,544.40, 7,651.56 and 3,186.76 is: 4,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,544.40 : 7,651.56 = 3,186.76 : x
  2. Step 2: Convert to fraction form
    5,544.40/7,651.56 = 3,186.76/x
  3. Step 3: Cross multiply
    5,544.40x = 7,651.56 × 3,186.76
  4. Step 4: Simplify right side
    5,544.40x = 24,383,685.35
  5. Step 5: Solve for x
    x = 24,383,685.35/5,544.40
  6. Step 6: Final answer
    x = 4,397.89

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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.