Home / 4,179.57-5,767.75-2,291.25

Finding the Fourth Proportional to 4,179.57, 5,767.75 and 2,291.25

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Solution

The fourth proportional to 4,179.57, 5,767.75 and 2,291.25 is: 3,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.57 : 5,767.75 = 2,291.25 : x
  2. Step 2: Convert to fraction form
    4,179.57/5,767.75 = 2,291.25/x
  3. Step 3: Cross multiply
    4,179.57x = 5,767.75 × 2,291.25
  4. Step 4: Simplify right side
    4,179.57x = 13,215,357.19
  5. Step 5: Solve for x
    x = 13,215,357.19/4,179.57
  6. Step 6: Final answer
    x = 3,161.89

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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.