Home / 3,184.85-4,394.62-1,787.33

Finding the Fourth Proportional to 3,184.85, 4,394.62 and 1,787.33

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Solution

The fourth proportional to 3,184.85, 4,394.62 and 1,787.33 is: 2,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.85 : 4,394.62 = 1,787.33 : x
  2. Step 2: Convert to fraction form
    3,184.85/4,394.62 = 1,787.33/x
  3. Step 3: Cross multiply
    3,184.85x = 4,394.62 × 1,787.33
  4. Step 4: Simplify right side
    3,184.85x = 7,854,649.39
  5. Step 5: Solve for x
    x = 7,854,649.39/3,184.85
  6. Step 6: Final answer
    x = 2,466.25

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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.