Home / 3,276.27-4,520.75-1,878.75

Finding the Fourth Proportional to 3,276.27, 4,520.75 and 1,878.75

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Solution

The fourth proportional to 3,276.27, 4,520.75 and 1,878.75 is: 2,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.27 : 4,520.75 = 1,878.75 : x
  2. Step 2: Convert to fraction form
    3,276.27/4,520.75 = 1,878.75/x
  3. Step 3: Cross multiply
    3,276.27x = 4,520.75 × 1,878.75
  4. Step 4: Simplify right side
    3,276.27x = 8,493,349.67
  5. Step 5: Solve for x
    x = 8,493,349.67/3,276.27
  6. Step 6: Final answer
    x = 2,592.38

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Half scale
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Double scale
Find fourth proportional to 3,277.27, 4,522.12 and 1,879.75
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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.