Home / 4,178.59-5,766.49-2,290.24

Finding the Fourth Proportional to 4,178.59, 5,766.49 and 2,290.24

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Solution

The fourth proportional to 4,178.59, 5,766.49 and 2,290.24 is: 3,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.59 : 5,766.49 = 2,290.24 : x
  2. Step 2: Convert to fraction form
    4,178.59/5,766.49 = 2,290.24/x
  3. Step 3: Cross multiply
    4,178.59x = 5,766.49 × 2,290.24
  4. Step 4: Simplify right side
    4,178.59x = 13,206,656.13
  5. Step 5: Solve for x
    x = 13,206,656.13/4,178.59
  6. Step 6: Final answer
    x = 3,160.56

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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.