Home / 4,179.64-5,767.74-2,291.17

Finding the Fourth Proportional to 4,179.64, 5,767.74 and 2,291.17

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Solution

The fourth proportional to 4,179.64, 5,767.74 and 2,291.17 is: 3,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.64 : 5,767.74 = 2,291.17 : x
  2. Step 2: Convert to fraction form
    4,179.64/5,767.74 = 2,291.17/x
  3. Step 3: Cross multiply
    4,179.64x = 5,767.74 × 2,291.17
  4. Step 4: Simplify right side
    4,179.64x = 13,214,844.02
  5. Step 5: Solve for x
    x = 13,214,844.02/4,179.64
  6. Step 6: Final answer
    x = 3,161.72

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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.