Home / 1,484.71-2,047.61-1,067.81

Finding the Fourth Proportional to 1,484.71, 2,047.61 and 1,067.81

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Solution

The fourth proportional to 1,484.71, 2,047.61 and 1,067.81 is: 1,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.71 : 2,047.61 = 1,067.81 : x
  2. Step 2: Convert to fraction form
    1,484.71/2,047.61 = 1,067.81/x
  3. Step 3: Cross multiply
    1,484.71x = 2,047.61 × 1,067.81
  4. Step 4: Simplify right side
    1,484.71x = 2,186,450.87
  5. Step 5: Solve for x
    x = 2,186,450.87/1,484.71
  6. Step 6: Final answer
    x = 1,472.65

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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.