Home / 4,782.74-7,202.20-4,173.70

Finding the Fourth Proportional to 4,782.74, 7,202.20 and 4,173.70

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Solution

The fourth proportional to 4,782.74, 7,202.20 and 4,173.70 is: 6,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.74 : 7,202.20 = 4,173.70 : x
  2. Step 2: Convert to fraction form
    4,782.74/7,202.20 = 4,173.70/x
  3. Step 3: Cross multiply
    4,782.74x = 7,202.20 × 4,173.70
  4. Step 4: Simplify right side
    4,782.74x = 30,059,822.14
  5. Step 5: Solve for x
    x = 30,059,822.14/4,782.74
  6. Step 6: Final answer
    x = 6,285.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.