Home / 7,261.92-10,902.42-4,305.78

Finding the Fourth Proportional to 7,261.92, 10,902.42 and 4,305.78

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Solution

The fourth proportional to 7,261.92, 10,902.42 and 4,305.78 is: 6,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.92 : 10,902.42 = 4,305.78 : x
  2. Step 2: Convert to fraction form
    7,261.92/10,902.42 = 4,305.78/x
  3. Step 3: Cross multiply
    7,261.92x = 10,902.42 × 4,305.78
  4. Step 4: Simplify right side
    7,261.92x = 46,943,421.99
  5. Step 5: Solve for x
    x = 46,943,421.99/7,261.92
  6. Step 6: Final answer
    x = 6,464.33

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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.