Home / 4,073.72-5,621.26-2,281.30

Finding the Fourth Proportional to 4,073.72, 5,621.26 and 2,281.30

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Solution

The fourth proportional to 4,073.72, 5,621.26 and 2,281.30 is: 3,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.72 : 5,621.26 = 2,281.30 : x
  2. Step 2: Convert to fraction form
    4,073.72/5,621.26 = 2,281.30/x
  3. Step 3: Cross multiply
    4,073.72x = 5,621.26 × 2,281.30
  4. Step 4: Simplify right side
    4,073.72x = 12,823,780.44
  5. Step 5: Solve for x
    x = 12,823,780.44/4,073.72
  6. Step 6: Final answer
    x = 3,147.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.