Home / 4,984.10-7,474.35-2,021.30

Finding the Fourth Proportional to 4,984.10, 7,474.35 and 2,021.30

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Solution

The fourth proportional to 4,984.10, 7,474.35 and 2,021.30 is: 3,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.10 : 7,474.35 = 2,021.30 : x
  2. Step 2: Convert to fraction form
    4,984.10/7,474.35 = 2,021.30/x
  3. Step 3: Cross multiply
    4,984.10x = 7,474.35 × 2,021.30
  4. Step 4: Simplify right side
    4,984.10x = 15,107,903.66
  5. Step 5: Solve for x
    x = 15,107,903.66/4,984.10
  6. Step 6: Final answer
    x = 3,031.22

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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.