Home / 4,472.05-6,707.31-1,185.48

Finding the Fourth Proportional to 4,472.05, 6,707.31 and 1,185.48

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Solution

The fourth proportional to 4,472.05, 6,707.31 and 1,185.48 is: 1,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.05 : 6,707.31 = 1,185.48 : x
  2. Step 2: Convert to fraction form
    4,472.05/6,707.31 = 1,185.48/x
  3. Step 3: Cross multiply
    4,472.05x = 6,707.31 × 1,185.48
  4. Step 4: Simplify right side
    4,472.05x = 7,951,381.86
  5. Step 5: Solve for x
    x = 7,951,381.86/4,472.05
  6. Step 6: Final answer
    x = 1,778.02

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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.