Home / 5,911-8,153.56-3,519.37

Finding the Fourth Proportional to 5,911, 8,153.56 and 3,519.37

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Solution

The fourth proportional to 5,911, 8,153.56 and 3,519.37 is: 4,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911 : 8,153.56 = 3,519.37 : x
  2. Step 2: Convert to fraction form
    5,911/8,153.56 = 3,519.37/x
  3. Step 3: Cross multiply
    5,911x = 8,153.56 × 3,519.37
  4. Step 4: Simplify right side
    5,911x = 28,695,394.46
  5. Step 5: Solve for x
    x = 28,695,394.46/5,911
  6. Step 6: Final answer
    x = 4,854.58

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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.