Home / 4,905.20-7,357.80-4,832.30

Finding the Fourth Proportional to 4,905.20, 7,357.80 and 4,832.30

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Solution

The fourth proportional to 4,905.20, 7,357.80 and 4,832.30 is: 7,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.20 : 7,357.80 = 4,832.30 : x
  2. Step 2: Convert to fraction form
    4,905.20/7,357.80 = 4,832.30/x
  3. Step 3: Cross multiply
    4,905.20x = 7,357.80 × 4,832.30
  4. Step 4: Simplify right side
    4,905.20x = 35,555,096.94
  5. Step 5: Solve for x
    x = 35,555,096.94/4,905.20
  6. Step 6: Final answer
    x = 7,248.45

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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.