Home / 1,854.10-2,557.86-1,067.68

Finding the Fourth Proportional to 1,854.10, 2,557.86 and 1,067.68

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Solution

The fourth proportional to 1,854.10, 2,557.86 and 1,067.68 is: 1,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.10 : 2,557.86 = 1,067.68 : x
  2. Step 2: Convert to fraction form
    1,854.10/2,557.86 = 1,067.68/x
  3. Step 3: Cross multiply
    1,854.10x = 2,557.86 × 1,067.68
  4. Step 4: Simplify right side
    1,854.10x = 2,730,975.96
  5. Step 5: Solve for x
    x = 2,730,975.96/1,854.10
  6. Step 6: Final answer
    x = 1,472.94

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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.