Home / 7,054.20-9,735.10-3,910.18

Finding the Fourth Proportional to 7,054.20, 9,735.10 and 3,910.18

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Solution

The fourth proportional to 7,054.20, 9,735.10 and 3,910.18 is: 5,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.20 : 9,735.10 = 3,910.18 : x
  2. Step 2: Convert to fraction form
    7,054.20/9,735.10 = 3,910.18/x
  3. Step 3: Cross multiply
    7,054.20x = 9,735.10 × 3,910.18
  4. Step 4: Simplify right side
    7,054.20x = 38,065,993.32
  5. Step 5: Solve for x
    x = 38,065,993.32/7,054.20
  6. Step 6: Final answer
    x = 5,396.22

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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.