Home / 2,858.15-4,281.92-1,472.33

Finding the Fourth Proportional to 2,858.15, 4,281.92 and 1,472.33

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Solution

The fourth proportional to 2,858.15, 4,281.92 and 1,472.33 is: 2,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.15 : 4,281.92 = 1,472.33 : x
  2. Step 2: Convert to fraction form
    2,858.15/4,281.92 = 1,472.33/x
  3. Step 3: Cross multiply
    2,858.15x = 4,281.92 × 1,472.33
  4. Step 4: Simplify right side
    2,858.15x = 6,304,377.86
  5. Step 5: Solve for x
    x = 6,304,377.86/2,858.15
  6. Step 6: Final answer
    x = 2,205.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.