Home / 4,178.97-5,767.05-2,290.53

Finding the Fourth Proportional to 4,178.97, 5,767.05 and 2,290.53

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Solution

The fourth proportional to 4,178.97, 5,767.05 and 2,290.53 is: 3,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.97 : 5,767.05 = 2,290.53 : x
  2. Step 2: Convert to fraction form
    4,178.97/5,767.05 = 2,290.53/x
  3. Step 3: Cross multiply
    4,178.97x = 5,767.05 × 2,290.53
  4. Step 4: Simplify right side
    4,178.97x = 13,209,601.04
  5. Step 5: Solve for x
    x = 13,209,601.04/4,178.97
  6. Step 6: Final answer
    x = 3,160.97

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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.