Home / 4,799.40-7,187.58-3,255.72

Finding the Fourth Proportional to 4,799.40, 7,187.58 and 3,255.72

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Solution

The fourth proportional to 4,799.40, 7,187.58 and 3,255.72 is: 4,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.40 : 7,187.58 = 3,255.72 : x
  2. Step 2: Convert to fraction form
    4,799.40/7,187.58 = 3,255.72/x
  3. Step 3: Cross multiply
    4,799.40x = 7,187.58 × 3,255.72
  4. Step 4: Simplify right side
    4,799.40x = 23,400,747.96
  5. Step 5: Solve for x
    x = 23,400,747.96/4,799.40
  6. Step 6: Final answer
    x = 4,875.77

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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.