Home / 4,180.24-5,768.71-2,291.90

Finding the Fourth Proportional to 4,180.24, 5,768.71 and 2,291.90

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Solution

The fourth proportional to 4,180.24, 5,768.71 and 2,291.90 is: 3,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.24 : 5,768.71 = 2,291.90 : x
  2. Step 2: Convert to fraction form
    4,180.24/5,768.71 = 2,291.90/x
  3. Step 3: Cross multiply
    4,180.24x = 5,768.71 × 2,291.90
  4. Step 4: Simplify right side
    4,180.24x = 13,221,320.55
  5. Step 5: Solve for x
    x = 13,221,320.55/4,180.24
  6. Step 6: Final answer
    x = 3,162.81

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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.