Home / 1,923.65-2,654.91-1,177.48

Finding the Fourth Proportional to 1,923.65, 2,654.91 and 1,177.48

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Solution

The fourth proportional to 1,923.65, 2,654.91 and 1,177.48 is: 1,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.65 : 2,654.91 = 1,177.48 : x
  2. Step 2: Convert to fraction form
    1,923.65/2,654.91 = 1,177.48/x
  3. Step 3: Cross multiply
    1,923.65x = 2,654.91 × 1,177.48
  4. Step 4: Simplify right side
    1,923.65x = 3,126,106.75
  5. Step 5: Solve for x
    x = 3,126,106.75/1,923.65
  6. Step 6: Final answer
    x = 1,625.09

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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.