Home / 7,054.08-9,735.12-3,910.56

Finding the Fourth Proportional to 7,054.08, 9,735.12 and 3,910.56

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Solution

The fourth proportional to 7,054.08, 9,735.12 and 3,910.56 is: 5,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.08 : 9,735.12 = 3,910.56 : x
  2. Step 2: Convert to fraction form
    7,054.08/9,735.12 = 3,910.56/x
  3. Step 3: Cross multiply
    7,054.08x = 9,735.12 × 3,910.56
  4. Step 4: Simplify right side
    7,054.08x = 38,069,770.87
  5. Step 5: Solve for x
    x = 38,069,770.87/7,054.08
  6. Step 6: Final answer
    x = 5,396.84

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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.