Home / 4,772.90-7,144.49-2,576.18

Finding the Fourth Proportional to 4,772.90, 7,144.49 and 2,576.18

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Solution

The fourth proportional to 4,772.90, 7,144.49 and 2,576.18 is: 3,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.90 : 7,144.49 = 2,576.18 : x
  2. Step 2: Convert to fraction form
    4,772.90/7,144.49 = 2,576.18/x
  3. Step 3: Cross multiply
    4,772.90x = 7,144.49 × 2,576.18
  4. Step 4: Simplify right side
    4,772.90x = 18,405,462.97
  5. Step 5: Solve for x
    x = 18,405,462.97/4,772.90
  6. Step 6: Final answer
    x = 3,856.25

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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.