Home / 3,184.42-4,394.46-1,787.08

Finding the Fourth Proportional to 3,184.42, 4,394.46 and 1,787.08

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Solution

The fourth proportional to 3,184.42, 4,394.46 and 1,787.08 is: 2,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.42 : 4,394.46 = 1,787.08 : x
  2. Step 2: Convert to fraction form
    3,184.42/4,394.46 = 1,787.08/x
  3. Step 3: Cross multiply
    3,184.42x = 4,394.46 × 1,787.08
  4. Step 4: Simplify right side
    3,184.42x = 7,853,251.58
  5. Step 5: Solve for x
    x = 7,853,251.58/3,184.42
  6. Step 6: Final answer
    x = 2,466.15

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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.