Home / 3,834.24-5,291.52-2,178.24

Finding the Fourth Proportional to 3,834.24, 5,291.52 and 2,178.24

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Solution

The fourth proportional to 3,834.24, 5,291.52 and 2,178.24 is: 3,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.24 : 5,291.52 = 2,178.24 : x
  2. Step 2: Convert to fraction form
    3,834.24/5,291.52 = 2,178.24/x
  3. Step 3: Cross multiply
    3,834.24x = 5,291.52 × 2,178.24
  4. Step 4: Simplify right side
    3,834.24x = 11,526,200.52
  5. Step 5: Solve for x
    x = 11,526,200.52/3,834.24
  6. Step 6: Final answer
    x = 3,006.12

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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.