Home / 4,104.86-6,156.78-1,143.53

Finding the Fourth Proportional to 4,104.86, 6,156.78 and 1,143.53

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Solution

The fourth proportional to 4,104.86, 6,156.78 and 1,143.53 is: 1,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.86 : 6,156.78 = 1,143.53 : x
  2. Step 2: Convert to fraction form
    4,104.86/6,156.78 = 1,143.53/x
  3. Step 3: Cross multiply
    4,104.86x = 6,156.78 × 1,143.53
  4. Step 4: Simplify right side
    4,104.86x = 7,040,426.13
  5. Step 5: Solve for x
    x = 7,040,426.13/4,104.86
  6. Step 6: Final answer
    x = 1,715.14

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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.