Home / 5,812.41-8,021.13-3,159.82

Finding the Fourth Proportional to 5,812.41, 8,021.13 and 3,159.82

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Solution

The fourth proportional to 5,812.41, 8,021.13 and 3,159.82 is: 4,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.41 : 8,021.13 = 3,159.82 : x
  2. Step 2: Convert to fraction form
    5,812.41/8,021.13 = 3,159.82/x
  3. Step 3: Cross multiply
    5,812.41x = 8,021.13 × 3,159.82
  4. Step 4: Simplify right side
    5,812.41x = 25,345,271.09
  5. Step 5: Solve for x
    x = 25,345,271.09/5,812.41
  6. Step 6: Final answer
    x = 4,360.54

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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.