Home / 5,880.60-8,115.32-3,228.25

Finding the Fourth Proportional to 5,880.60, 8,115.32 and 3,228.25

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Solution

The fourth proportional to 5,880.60, 8,115.32 and 3,228.25 is: 4,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.60 : 8,115.32 = 3,228.25 : x
  2. Step 2: Convert to fraction form
    5,880.60/8,115.32 = 3,228.25/x
  3. Step 3: Cross multiply
    5,880.60x = 8,115.32 × 3,228.25
  4. Step 4: Simplify right side
    5,880.60x = 26,198,281.79
  5. Step 5: Solve for x
    x = 26,198,281.79/5,880.60
  6. Step 6: Final answer
    x = 4,455.04

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Half 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.