Home / 5,463.65-7,539.89-3,105.95

Finding the Fourth Proportional to 5,463.65, 7,539.89 and 3,105.95

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Solution

The fourth proportional to 5,463.65, 7,539.89 and 3,105.95 is: 4,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,463.65 : 7,539.89 = 3,105.95 : x
  2. Step 2: Convert to fraction form
    5,463.65/7,539.89 = 3,105.95/x
  3. Step 3: Cross multiply
    5,463.65x = 7,539.89 × 3,105.95
  4. Step 4: Simplify right side
    5,463.65x = 23,418,468.12
  5. Step 5: Solve for x
    x = 23,418,468.12/5,463.65
  6. Step 6: Final answer
    x = 4,286.23

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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.