Home / 5,880.88-8,115.56-3,228.32

Finding the Fourth Proportional to 5,880.88, 8,115.56 and 3,228.32

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Solution

The fourth proportional to 5,880.88, 8,115.56 and 3,228.32 is: 4,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.88 : 8,115.56 = 3,228.32 : x
  2. Step 2: Convert to fraction form
    5,880.88/8,115.56 = 3,228.32/x
  3. Step 3: Cross multiply
    5,880.88x = 8,115.56 × 3,228.32
  4. Step 4: Simplify right side
    5,880.88x = 26,199,624.66
  5. Step 5: Solve for x
    x = 26,199,624.66/5,880.88
  6. Step 6: Final answer
    x = 4,455.05

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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.