Home / 5,880.88-8,115.42-3,228.28

Finding the Fourth Proportional to 5,880.88, 8,115.42 and 3,228.28

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Solution

The fourth proportional to 5,880.88, 8,115.42 and 3,228.28 is: 4,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.88 : 8,115.42 = 3,228.28 : x
  2. Step 2: Convert to fraction form
    5,880.88/8,115.42 = 3,228.28/x
  3. Step 3: Cross multiply
    5,880.88x = 8,115.42 × 3,228.28
  4. Step 4: Simplify right side
    5,880.88x = 26,198,848.08
  5. Step 5: Solve for x
    x = 26,198,848.08/5,880.88
  6. Step 6: Final answer
    x = 4,454.92

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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.