Home / 5,116.30-7,674.45-2,650.30

Finding the Fourth Proportional to 5,116.30, 7,674.45 and 2,650.30

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Solution

The fourth proportional to 5,116.30, 7,674.45 and 2,650.30 is: 3,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.30 : 7,674.45 = 2,650.30 : x
  2. Step 2: Convert to fraction form
    5,116.30/7,674.45 = 2,650.30/x
  3. Step 3: Cross multiply
    5,116.30x = 7,674.45 × 2,650.30
  4. Step 4: Simplify right side
    5,116.30x = 20,339,594.84
  5. Step 5: Solve for x
    x = 20,339,594.84/5,116.30
  6. Step 6: Final answer
    x = 3,975.45

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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.