Home / 4,811.60-7,224.60-3,357.20

Finding the Fourth Proportional to 4,811.60, 7,224.60 and 3,357.20

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Solution

The fourth proportional to 4,811.60, 7,224.60 and 3,357.20 is: 5,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.60 : 7,224.60 = 3,357.20 : x
  2. Step 2: Convert to fraction form
    4,811.60/7,224.60 = 3,357.20/x
  3. Step 3: Cross multiply
    4,811.60x = 7,224.60 × 3,357.20
  4. Step 4: Simplify right side
    4,811.60x = 24,254,427.12
  5. Step 5: Solve for x
    x = 24,254,427.12/4,811.60
  6. Step 6: Final answer
    x = 5,040.82

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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.