Home / 7,230.15-9,976.82-4,399.02

Finding the Fourth Proportional to 7,230.15, 9,976.82 and 4,399.02

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Solution

The fourth proportional to 7,230.15, 9,976.82 and 4,399.02 is: 6,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.15 : 9,976.82 = 4,399.02 : x
  2. Step 2: Convert to fraction form
    7,230.15/9,976.82 = 4,399.02/x
  3. Step 3: Cross multiply
    7,230.15x = 9,976.82 × 4,399.02
  4. Step 4: Simplify right side
    7,230.15x = 43,888,208.72
  5. Step 5: Solve for x
    x = 43,888,208.72/7,230.15
  6. Step 6: Final answer
    x = 6,070.17

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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.