Home / 5,419.98-8,140.86-3,232.98

Finding the Fourth Proportional to 5,419.98, 8,140.86 and 3,232.98

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Solution

The fourth proportional to 5,419.98, 8,140.86 and 3,232.98 is: 4,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.98 : 8,140.86 = 3,232.98 : x
  2. Step 2: Convert to fraction form
    5,419.98/8,140.86 = 3,232.98/x
  3. Step 3: Cross multiply
    5,419.98x = 8,140.86 × 3,232.98
  4. Step 4: Simplify right side
    5,419.98x = 26,319,237.56
  5. Step 5: Solve for x
    x = 26,319,237.56/5,419.98
  6. Step 6: Final answer
    x = 4,855.97

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1.5x scale

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.