Home / 4,980.81-7,474.37-4,513.24

Finding the Fourth Proportional to 4,980.81, 7,474.37 and 4,513.24

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Solution

The fourth proportional to 4,980.81, 7,474.37 and 4,513.24 is: 6,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.81 : 7,474.37 = 4,513.24 : x
  2. Step 2: Convert to fraction form
    4,980.81/7,474.37 = 4,513.24/x
  3. Step 3: Cross multiply
    4,980.81x = 7,474.37 × 4,513.24
  4. Step 4: Simplify right side
    4,980.81x = 33,733,618.26
  5. Step 5: Solve for x
    x = 33,733,618.26/4,980.81
  6. Step 6: Final answer
    x = 6,772.72

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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.