Home / 5,815.29-8,024.97-3,162.65

Finding the Fourth Proportional to 5,815.29, 8,024.97 and 3,162.65

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Solution

The fourth proportional to 5,815.29, 8,024.97 and 3,162.65 is: 4,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.29 : 8,024.97 = 3,162.65 : x
  2. Step 2: Convert to fraction form
    5,815.29/8,024.97 = 3,162.65/x
  3. Step 3: Cross multiply
    5,815.29x = 8,024.97 × 3,162.65
  4. Step 4: Simplify right side
    5,815.29x = 25,380,143.11
  5. Step 5: Solve for x
    x = 25,380,143.11/5,815.29
  6. Step 6: Final answer
    x = 4,364.38

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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.