Home / 5,080.46-7,012.24-3,216.38

Finding the Fourth Proportional to 5,080.46, 7,012.24 and 3,216.38

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Solution

The fourth proportional to 5,080.46, 7,012.24 and 3,216.38 is: 4,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.46 : 7,012.24 = 3,216.38 : x
  2. Step 2: Convert to fraction form
    5,080.46/7,012.24 = 3,216.38/x
  3. Step 3: Cross multiply
    5,080.46x = 7,012.24 × 3,216.38
  4. Step 4: Simplify right side
    5,080.46x = 22,553,985.39
  5. Step 5: Solve for x
    x = 22,553,985.39/5,080.46
  6. Step 6: Final answer
    x = 4,439.36

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Double scale
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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.