Home / 5,015.80-6,924.98-3,425.12

Finding the Fourth Proportional to 5,015.80, 6,924.98 and 3,425.12

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Solution

The fourth proportional to 5,015.80, 6,924.98 and 3,425.12 is: 4,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.80 : 6,924.98 = 3,425.12 : x
  2. Step 2: Convert to fraction form
    5,015.80/6,924.98 = 3,425.12/x
  3. Step 3: Cross multiply
    5,015.80x = 6,924.98 × 3,425.12
  4. Step 4: Simplify right side
    5,015.80x = 23,718,887.50
  5. Step 5: Solve for x
    x = 23,718,887.50/5,015.80
  6. Step 6: Final answer
    x = 4,728.83

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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.