Home / 5,451.96-8,178.74-1,752.97

Finding the Fourth Proportional to 5,451.96, 8,178.74 and 1,752.97

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Solution

The fourth proportional to 5,451.96, 8,178.74 and 1,752.97 is: 2,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.96 : 8,178.74 = 1,752.97 : x
  2. Step 2: Convert to fraction form
    5,451.96/8,178.74 = 1,752.97/x
  3. Step 3: Cross multiply
    5,451.96x = 8,178.74 × 1,752.97
  4. Step 4: Simplify right side
    5,451.96x = 14,337,085.86
  5. Step 5: Solve for x
    x = 14,337,085.86/5,451.96
  6. Step 6: Final answer
    x = 2,629.71

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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.