Home / 5,066.91-6,990.12-2,942.28

Finding the Fourth Proportional to 5,066.91, 6,990.12 and 2,942.28

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Solution

The fourth proportional to 5,066.91, 6,990.12 and 2,942.28 is: 4,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.91 : 6,990.12 = 2,942.28 : x
  2. Step 2: Convert to fraction form
    5,066.91/6,990.12 = 2,942.28/x
  3. Step 3: Cross multiply
    5,066.91x = 6,990.12 × 2,942.28
  4. Step 4: Simplify right side
    5,066.91x = 20,566,890.27
  5. Step 5: Solve for x
    x = 20,566,890.27/5,066.91
  6. Step 6: Final answer
    x = 4,059.06

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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.