Home / 4,078.24-6,115.48-1,304.36

Finding the Fourth Proportional to 4,078.24, 6,115.48 and 1,304.36

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Solution

The fourth proportional to 4,078.24, 6,115.48 and 1,304.36 is: 1,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.24 : 6,115.48 = 1,304.36 : x
  2. Step 2: Convert to fraction form
    4,078.24/6,115.48 = 1,304.36/x
  3. Step 3: Cross multiply
    4,078.24x = 6,115.48 × 1,304.36
  4. Step 4: Simplify right side
    4,078.24x = 7,976,787.49
  5. Step 5: Solve for x
    x = 7,976,787.49/4,078.24
  6. Step 6: Final answer
    x = 1,955.94

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1.5x scale

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.