Home / 6,664.51-9,197.10-3,680.29

Finding the Fourth Proportional to 6,664.51, 9,197.10 and 3,680.29

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Solution

The fourth proportional to 6,664.51, 9,197.10 and 3,680.29 is: 5,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.51 : 9,197.10 = 3,680.29 : x
  2. Step 2: Convert to fraction form
    6,664.51/9,197.10 = 3,680.29/x
  3. Step 3: Cross multiply
    6,664.51x = 9,197.10 × 3,680.29
  4. Step 4: Simplify right side
    6,664.51x = 33,847,995.16
  5. Step 5: Solve for x
    x = 33,847,995.16/6,664.51
  6. Step 6: Final answer
    x = 5,078.84

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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.