Home / 2,757.20-4,130.96-2,297.92

Finding the Fourth Proportional to 2,757.20, 4,130.96 and 2,297.92

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Solution

The fourth proportional to 2,757.20, 4,130.96 and 2,297.92 is: 3,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.20 : 4,130.96 = 2,297.92 : x
  2. Step 2: Convert to fraction form
    2,757.20/4,130.96 = 2,297.92/x
  3. Step 3: Cross multiply
    2,757.20x = 4,130.96 × 2,297.92
  4. Step 4: Simplify right side
    2,757.20x = 9,492,615.60
  5. Step 5: Solve for x
    x = 9,492,615.60/2,757.20
  6. Step 6: Final answer
    x = 3,442.85

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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.