Home / 5,815.18-8,024.77-3,162.52

Finding the Fourth Proportional to 5,815.18, 8,024.77 and 3,162.52

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Solution

The fourth proportional to 5,815.18, 8,024.77 and 3,162.52 is: 4,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.18 : 8,024.77 = 3,162.52 : x
  2. Step 2: Convert to fraction form
    5,815.18/8,024.77 = 3,162.52/x
  3. Step 3: Cross multiply
    5,815.18x = 8,024.77 × 3,162.52
  4. Step 4: Simplify right side
    5,815.18x = 25,378,467.65
  5. Step 5: Solve for x
    x = 25,378,467.65/5,815.18
  6. Step 6: Final answer
    x = 4,364.18

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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.