Home / 5,173.15-7,759.72-2,399.46

Finding the Fourth Proportional to 5,173.15, 7,759.72 and 2,399.46

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Solution

The fourth proportional to 5,173.15, 7,759.72 and 2,399.46 is: 3,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.15 : 7,759.72 = 2,399.46 : x
  2. Step 2: Convert to fraction form
    5,173.15/7,759.72 = 2,399.46/x
  3. Step 3: Cross multiply
    5,173.15x = 7,759.72 × 2,399.46
  4. Step 4: Simplify right side
    5,173.15x = 18,619,098.15
  5. Step 5: Solve for x
    x = 18,619,098.15/5,173.15
  6. Step 6: Final answer
    x = 3,599.18

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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.