Home / 4,980.05-7,468.40-2,513.30

Finding the Fourth Proportional to 4,980.05, 7,468.40 and 2,513.30

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Solution

The fourth proportional to 4,980.05, 7,468.40 and 2,513.30 is: 3,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.05 : 7,468.40 = 2,513.30 : x
  2. Step 2: Convert to fraction form
    4,980.05/7,468.40 = 2,513.30/x
  3. Step 3: Cross multiply
    4,980.05x = 7,468.40 × 2,513.30
  4. Step 4: Simplify right side
    4,980.05x = 18,770,298.66
  5. Step 5: Solve for x
    x = 18,770,298.66/4,980.05
  6. Step 6: Final answer
    x = 3,769.10

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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.