Home / 3,971.17-5,480.46-2,292.88

Finding the Fourth Proportional to 3,971.17, 5,480.46 and 2,292.88

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Solution

The fourth proportional to 3,971.17, 5,480.46 and 2,292.88 is: 3,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.17 : 5,480.46 = 2,292.88 : x
  2. Step 2: Convert to fraction form
    3,971.17/5,480.46 = 2,292.88/x
  3. Step 3: Cross multiply
    3,971.17x = 5,480.46 × 2,292.88
  4. Step 4: Simplify right side
    3,971.17x = 12,566,025.66
  5. Step 5: Solve for x
    x = 12,566,025.66/3,971.17
  6. Step 6: Final answer
    x = 3,164.32

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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.