Home / 5,565.22-7,680.84-3,175.18

Finding the Fourth Proportional to 5,565.22, 7,680.84 and 3,175.18

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Solution

The fourth proportional to 5,565.22, 7,680.84 and 3,175.18 is: 4,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.22 : 7,680.84 = 3,175.18 : x
  2. Step 2: Convert to fraction form
    5,565.22/7,680.84 = 3,175.18/x
  3. Step 3: Cross multiply
    5,565.22x = 7,680.84 × 3,175.18
  4. Step 4: Simplify right side
    5,565.22x = 24,388,049.55
  5. Step 5: Solve for x
    x = 24,388,049.55/5,565.22
  6. Step 6: Final answer
    x = 4,382.23

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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.