Home / 4,935.40-7,394.46-3,388.84

Finding the Fourth Proportional to 4,935.40, 7,394.46 and 3,388.84

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Solution

The fourth proportional to 4,935.40, 7,394.46 and 3,388.84 is: 5,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.40 : 7,394.46 = 3,388.84 : x
  2. Step 2: Convert to fraction form
    4,935.40/7,394.46 = 3,388.84/x
  3. Step 3: Cross multiply
    4,935.40x = 7,394.46 × 3,388.84
  4. Step 4: Simplify right side
    4,935.40x = 25,058,641.83
  5. Step 5: Solve for x
    x = 25,058,641.83/4,935.40
  6. Step 6: Final answer
    x = 5,077.33

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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.