Home / 3,147.15-4,711.61-2,370.42

Finding the Fourth Proportional to 3,147.15, 4,711.61 and 2,370.42

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Solution

The fourth proportional to 3,147.15, 4,711.61 and 2,370.42 is: 3,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.15 : 4,711.61 = 2,370.42 : x
  2. Step 2: Convert to fraction form
    3,147.15/4,711.61 = 2,370.42/x
  3. Step 3: Cross multiply
    3,147.15x = 4,711.61 × 2,370.42
  4. Step 4: Simplify right side
    3,147.15x = 11,168,479.80
  5. Step 5: Solve for x
    x = 11,168,479.80/3,147.15
  6. Step 6: Final answer
    x = 3,548.76

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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.