Home / 5,812.09-8,717.98-2,114.39

Finding the Fourth Proportional to 5,812.09, 8,717.98 and 2,114.39

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Solution

The fourth proportional to 5,812.09, 8,717.98 and 2,114.39 is: 3,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.09 : 8,717.98 = 2,114.39 : x
  2. Step 2: Convert to fraction form
    5,812.09/8,717.98 = 2,114.39/x
  3. Step 3: Cross multiply
    5,812.09x = 8,717.98 × 2,114.39
  4. Step 4: Simplify right side
    5,812.09x = 18,433,204.45
  5. Step 5: Solve for x
    x = 18,433,204.45/5,812.09
  6. Step 6: Final answer
    x = 3,171.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.