Home / 6,680.07-10,020.15-3,760.47

Finding the Fourth Proportional to 6,680.07, 10,020.15 and 3,760.47

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Solution

The fourth proportional to 6,680.07, 10,020.15 and 3,760.47 is: 5,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.07 : 10,020.15 = 3,760.47 : x
  2. Step 2: Convert to fraction form
    6,680.07/10,020.15 = 3,760.47/x
  3. Step 3: Cross multiply
    6,680.07x = 10,020.15 × 3,760.47
  4. Step 4: Simplify right side
    6,680.07x = 37,680,473.47
  5. Step 5: Solve for x
    x = 37,680,473.47/6,680.07
  6. Step 6: Final answer
    x = 5,640.73

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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.