Home / 5,116.65-7,680.24-3,173.46

Finding the Fourth Proportional to 5,116.65, 7,680.24 and 3,173.46

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Solution

The fourth proportional to 5,116.65, 7,680.24 and 3,173.46 is: 4,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.65 : 7,680.24 = 3,173.46 : x
  2. Step 2: Convert to fraction form
    5,116.65/7,680.24 = 3,173.46/x
  3. Step 3: Cross multiply
    5,116.65x = 7,680.24 × 3,173.46
  4. Step 4: Simplify right side
    5,116.65x = 24,372,934.43
  5. Step 5: Solve for x
    x = 24,372,934.43/5,116.65
  6. Step 6: Final answer
    x = 4,763.46

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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.