Home / 5,463.08-7,539.70-3,105.58

Finding the Fourth Proportional to 5,463.08, 7,539.70 and 3,105.58

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Solution

The fourth proportional to 5,463.08, 7,539.70 and 3,105.58 is: 4,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,463.08 : 7,539.70 = 3,105.58 : x
  2. Step 2: Convert to fraction form
    5,463.08/7,539.70 = 3,105.58/x
  3. Step 3: Cross multiply
    5,463.08x = 7,539.70 × 3,105.58
  4. Step 4: Simplify right side
    5,463.08x = 23,415,141.53
  5. Step 5: Solve for x
    x = 23,415,141.53/5,463.08
  6. Step 6: Final answer
    x = 4,286.07

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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.