Home / 3,461.28-4,774.82-2,281.92

Finding the Fourth Proportional to 3,461.28, 4,774.82 and 2,281.92

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Solution

The fourth proportional to 3,461.28, 4,774.82 and 2,281.92 is: 3,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.28 : 4,774.82 = 2,281.92 : x
  2. Step 2: Convert to fraction form
    3,461.28/4,774.82 = 2,281.92/x
  3. Step 3: Cross multiply
    3,461.28x = 4,774.82 × 2,281.92
  4. Step 4: Simplify right side
    3,461.28x = 10,895,757.25
  5. Step 5: Solve for x
    x = 10,895,757.25/3,461.28
  6. Step 6: Final answer
    x = 3,147.90

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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.