Home / 5,558.76-7,671.46-3,074.92

Finding the Fourth Proportional to 5,558.76, 7,671.46 and 3,074.92

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Solution

The fourth proportional to 5,558.76, 7,671.46 and 3,074.92 is: 4,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.76 : 7,671.46 = 3,074.92 : x
  2. Step 2: Convert to fraction form
    5,558.76/7,671.46 = 3,074.92/x
  3. Step 3: Cross multiply
    5,558.76x = 7,671.46 × 3,074.92
  4. Step 4: Simplify right side
    5,558.76x = 23,589,125.78
  5. Step 5: Solve for x
    x = 23,589,125.78/5,558.76
  6. Step 6: Final answer
    x = 4,243.59

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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.