Home / 5,462.14-7,534.38-3,103.78

Finding the Fourth Proportional to 5,462.14, 7,534.38 and 3,103.78

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Solution

The fourth proportional to 5,462.14, 7,534.38 and 3,103.78 is: 4,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462.14 : 7,534.38 = 3,103.78 : x
  2. Step 2: Convert to fraction form
    5,462.14/7,534.38 = 3,103.78/x
  3. Step 3: Cross multiply
    5,462.14x = 7,534.38 × 3,103.78
  4. Step 4: Simplify right side
    5,462.14x = 23,385,057.96
  5. Step 5: Solve for x
    x = 23,385,057.96/5,462.14
  6. Step 6: Final answer
    x = 4,281.30

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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.