Home / 5,182.04-7,149.34-2,942.62

Finding the Fourth Proportional to 5,182.04, 7,149.34 and 2,942.62

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Solution

The fourth proportional to 5,182.04, 7,149.34 and 2,942.62 is: 4,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.04 : 7,149.34 = 2,942.62 : x
  2. Step 2: Convert to fraction form
    5,182.04/7,149.34 = 2,942.62/x
  3. Step 3: Cross multiply
    5,182.04x = 7,149.34 × 2,942.62
  4. Step 4: Simplify right side
    5,182.04x = 21,037,790.87
  5. Step 5: Solve for x
    x = 21,037,790.87/5,182.04
  6. Step 6: Final answer
    x = 4,059.75

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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.