Home / 5,065.51-6,990.37-2,942.28

Finding the Fourth Proportional to 5,065.51, 6,990.37 and 2,942.28

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Solution

The fourth proportional to 5,065.51, 6,990.37 and 2,942.28 is: 4,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.51 : 6,990.37 = 2,942.28 : x
  2. Step 2: Convert to fraction form
    5,065.51/6,990.37 = 2,942.28/x
  3. Step 3: Cross multiply
    5,065.51x = 6,990.37 × 2,942.28
  4. Step 4: Simplify right side
    5,065.51x = 20,567,651.73
  5. Step 5: Solve for x
    x = 20,567,651.73/5,065.51
  6. Step 6: Final answer
    x = 4,060.33

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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.