Home / 5,812.47-8,021.42-3,575.11

Finding the Fourth Proportional to 5,812.47, 8,021.42 and 3,575.11

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Solution

The fourth proportional to 5,812.47, 8,021.42 and 3,575.11 is: 4,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.47 : 8,021.42 = 3,575.11 : x
  2. Step 2: Convert to fraction form
    5,812.47/8,021.42 = 3,575.11/x
  3. Step 3: Cross multiply
    5,812.47x = 8,021.42 × 3,575.11
  4. Step 4: Simplify right side
    5,812.47x = 28,677,458.86
  5. Step 5: Solve for x
    x = 28,677,458.86/5,812.47
  6. Step 6: Final answer
    x = 4,933.78

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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.