Home / 7,167.72-10,752.26-2,785.52

Finding the Fourth Proportional to 7,167.72, 10,752.26 and 2,785.52

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Solution

The fourth proportional to 7,167.72, 10,752.26 and 2,785.52 is: 4,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.72 : 10,752.26 = 2,785.52 : x
  2. Step 2: Convert to fraction form
    7,167.72/10,752.26 = 2,785.52/x
  3. Step 3: Cross multiply
    7,167.72x = 10,752.26 × 2,785.52
  4. Step 4: Simplify right side
    7,167.72x = 29,950,635.28
  5. Step 5: Solve for x
    x = 29,950,635.28/7,167.72
  6. Step 6: Final answer
    x = 4,178.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.