Home / 5,880.92-8,115.40-3,228.44

Finding the Fourth Proportional to 5,880.92, 8,115.40 and 3,228.44

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Solution

The fourth proportional to 5,880.92, 8,115.40 and 3,228.44 is: 4,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.92 : 8,115.40 = 3,228.44 : x
  2. Step 2: Convert to fraction form
    5,880.92/8,115.40 = 3,228.44/x
  3. Step 3: Cross multiply
    5,880.92x = 8,115.40 × 3,228.44
  4. Step 4: Simplify right side
    5,880.92x = 26,200,081.98
  5. Step 5: Solve for x
    x = 26,200,081.98/5,880.92
  6. Step 6: Final answer
    x = 4,455.10

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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.