Home / 5,186.56-7,766.88-3,104.32

Finding the Fourth Proportional to 5,186.56, 7,766.88 and 3,104.32

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Solution

The fourth proportional to 5,186.56, 7,766.88 and 3,104.32 is: 4,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.56 : 7,766.88 = 3,104.32 : x
  2. Step 2: Convert to fraction form
    5,186.56/7,766.88 = 3,104.32/x
  3. Step 3: Cross multiply
    5,186.56x = 7,766.88 × 3,104.32
  4. Step 4: Simplify right side
    5,186.56x = 24,110,880.92
  5. Step 5: Solve for x
    x = 24,110,880.92/5,186.56
  6. Step 6: Final answer
    x = 4,648.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.