Home / 5,815.10-8,024.75-3,162.44

Finding the Fourth Proportional to 5,815.10, 8,024.75 and 3,162.44

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Solution

The fourth proportional to 5,815.10, 8,024.75 and 3,162.44 is: 4,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.10 : 8,024.75 = 3,162.44 : x
  2. Step 2: Convert to fraction form
    5,815.10/8,024.75 = 3,162.44/x
  3. Step 3: Cross multiply
    5,815.10x = 8,024.75 × 3,162.44
  4. Step 4: Simplify right side
    5,815.10x = 25,377,790.39
  5. Step 5: Solve for x
    x = 25,377,790.39/5,815.10
  6. Step 6: Final answer
    x = 4,364.12

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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.