Home / 4,138.52-5,711.48-2,370.69

Finding the Fourth Proportional to 4,138.52, 5,711.48 and 2,370.69

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Solution

The fourth proportional to 4,138.52, 5,711.48 and 2,370.69 is: 3,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.52 : 5,711.48 = 2,370.69 : x
  2. Step 2: Convert to fraction form
    4,138.52/5,711.48 = 2,370.69/x
  3. Step 3: Cross multiply
    4,138.52x = 5,711.48 × 2,370.69
  4. Step 4: Simplify right side
    4,138.52x = 13,540,136.67
  5. Step 5: Solve for x
    x = 13,540,136.67/4,138.52
  6. Step 6: Final answer
    x = 3,271.74

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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.