Home / 5,815.19-8,025.03-3,162.66

Finding the Fourth Proportional to 5,815.19, 8,025.03 and 3,162.66

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Solution

The fourth proportional to 5,815.19, 8,025.03 and 3,162.66 is: 4,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.19 : 8,025.03 = 3,162.66 : x
  2. Step 2: Convert to fraction form
    5,815.19/8,025.03 = 3,162.66/x
  3. Step 3: Cross multiply
    5,815.19x = 8,025.03 × 3,162.66
  4. Step 4: Simplify right side
    5,815.19x = 25,380,441.38
  5. Step 5: Solve for x
    x = 25,380,441.38/5,815.19
  6. Step 6: Final answer
    x = 4,364.51

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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.