Home / 5,181.91-7,152.19-3,293.12

Finding the Fourth Proportional to 5,181.91, 7,152.19 and 3,293.12

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Solution

The fourth proportional to 5,181.91, 7,152.19 and 3,293.12 is: 4,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.91 : 7,152.19 = 3,293.12 : x
  2. Step 2: Convert to fraction form
    5,181.91/7,152.19 = 3,293.12/x
  3. Step 3: Cross multiply
    5,181.91x = 7,152.19 × 3,293.12
  4. Step 4: Simplify right side
    5,181.91x = 23,553,029.58
  5. Step 5: Solve for x
    x = 23,553,029.58/5,181.91
  6. Step 6: Final answer
    x = 4,545.24

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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.