Home / 3,005.67-4,507.68-1,156.86

Finding the Fourth Proportional to 3,005.67, 4,507.68 and 1,156.86

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Solution

The fourth proportional to 3,005.67, 4,507.68 and 1,156.86 is: 1,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.67 : 4,507.68 = 1,156.86 : x
  2. Step 2: Convert to fraction form
    3,005.67/4,507.68 = 1,156.86/x
  3. Step 3: Cross multiply
    3,005.67x = 4,507.68 × 1,156.86
  4. Step 4: Simplify right side
    3,005.67x = 5,214,754.68
  5. Step 5: Solve for x
    x = 5,214,754.68/3,005.67
  6. Step 6: Final answer
    x = 1,734.97

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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.