Home / 6,674.25-9,210.11-3,689.91

Finding the Fourth Proportional to 6,674.25, 9,210.11 and 3,689.91

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Solution

The fourth proportional to 6,674.25, 9,210.11 and 3,689.91 is: 5,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674.25 : 9,210.11 = 3,689.91 : x
  2. Step 2: Convert to fraction form
    6,674.25/9,210.11 = 3,689.91/x
  3. Step 3: Cross multiply
    6,674.25x = 9,210.11 × 3,689.91
  4. Step 4: Simplify right side
    6,674.25x = 33,984,458.54
  5. Step 5: Solve for x
    x = 33,984,458.54/6,674.25
  6. Step 6: Final answer
    x = 5,091.88

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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.