Home / 5,258.77-7,884.23-3,178.30

Finding the Fourth Proportional to 5,258.77, 7,884.23 and 3,178.30

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Solution

The fourth proportional to 5,258.77, 7,884.23 and 3,178.30 is: 4,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.77 : 7,884.23 = 3,178.30 : x
  2. Step 2: Convert to fraction form
    5,258.77/7,884.23 = 3,178.30/x
  3. Step 3: Cross multiply
    5,258.77x = 7,884.23 × 3,178.30
  4. Step 4: Simplify right side
    5,258.77x = 25,058,454.09
  5. Step 5: Solve for x
    x = 25,058,454.09/5,258.77
  6. Step 6: Final answer
    x = 4,765.08

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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.