Home / 1,923.91-2,654.99-1,039.71

Finding the Fourth Proportional to 1,923.91, 2,654.99 and 1,039.71

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Solution

The fourth proportional to 1,923.91, 2,654.99 and 1,039.71 is: 1,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.91 : 2,654.99 = 1,039.71 : x
  2. Step 2: Convert to fraction form
    1,923.91/2,654.99 = 1,039.71/x
  3. Step 3: Cross multiply
    1,923.91x = 2,654.99 × 1,039.71
  4. Step 4: Simplify right side
    1,923.91x = 2,760,425.59
  5. Step 5: Solve for x
    x = 2,760,425.59/1,923.91
  6. Step 6: Final answer
    x = 1,434.80

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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.