Home / 4,935.78-7,406.55-3,403.62

Finding the Fourth Proportional to 4,935.78, 7,406.55 and 3,403.62

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Solution

The fourth proportional to 4,935.78, 7,406.55 and 3,403.62 is: 5,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.78 : 7,406.55 = 3,403.62 : x
  2. Step 2: Convert to fraction form
    4,935.78/7,406.55 = 3,403.62/x
  3. Step 3: Cross multiply
    4,935.78x = 7,406.55 × 3,403.62
  4. Step 4: Simplify right side
    4,935.78x = 25,209,081.71
  5. Step 5: Solve for x
    x = 25,209,081.71/4,935.78
  6. Step 6: Final answer
    x = 5,107.42

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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.