Home / 5,079.75-7,010.55-3,192.75

Finding the Fourth Proportional to 5,079.75, 7,010.55 and 3,192.75

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Solution

The fourth proportional to 5,079.75, 7,010.55 and 3,192.75 is: 4,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.75 : 7,010.55 = 3,192.75 : x
  2. Step 2: Convert to fraction form
    5,079.75/7,010.55 = 3,192.75/x
  3. Step 3: Cross multiply
    5,079.75x = 7,010.55 × 3,192.75
  4. Step 4: Simplify right side
    5,079.75x = 22,382,933.51
  5. Step 5: Solve for x
    x = 22,382,933.51/5,079.75
  6. Step 6: Final answer
    x = 4,406.31

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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.