Home / 5,224.95-7,829.55-3,142.68

Finding the Fourth Proportional to 5,224.95, 7,829.55 and 3,142.68

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Solution

The fourth proportional to 5,224.95, 7,829.55 and 3,142.68 is: 4,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.95 : 7,829.55 = 3,142.68 : x
  2. Step 2: Convert to fraction form
    5,224.95/7,829.55 = 3,142.68/x
  3. Step 3: Cross multiply
    5,224.95x = 7,829.55 × 3,142.68
  4. Step 4: Simplify right side
    5,224.95x = 24,605,770.19
  5. Step 5: Solve for x
    x = 24,605,770.19/5,224.95
  6. Step 6: Final answer
    x = 4,709.28

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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.