Home / 1,906.14-2,630.62-1,066.93

Finding the Fourth Proportional to 1,906.14, 2,630.62 and 1,066.93

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Solution

The fourth proportional to 1,906.14, 2,630.62 and 1,066.93 is: 1,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.14 : 2,630.62 = 1,066.93 : x
  2. Step 2: Convert to fraction form
    1,906.14/2,630.62 = 1,066.93/x
  3. Step 3: Cross multiply
    1,906.14x = 2,630.62 × 1,066.93
  4. Step 4: Simplify right side
    1,906.14x = 2,806,687.40
  5. Step 5: Solve for x
    x = 2,806,687.40/1,906.14
  6. Step 6: Final answer
    x = 1,472.45

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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.