Home / 7,795.58-10,757.39-4,258.78

Finding the Fourth Proportional to 7,795.58, 10,757.39 and 4,258.78

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Solution

The fourth proportional to 7,795.58, 10,757.39 and 4,258.78 is: 5,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.58 : 10,757.39 = 4,258.78 : x
  2. Step 2: Convert to fraction form
    7,795.58/10,757.39 = 4,258.78/x
  3. Step 3: Cross multiply
    7,795.58x = 10,757.39 × 4,258.78
  4. Step 4: Simplify right side
    7,795.58x = 45,813,309.20
  5. Step 5: Solve for x
    x = 45,813,309.20/7,795.58
  6. Step 6: Final answer
    x = 5,876.84

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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.