Home / 4,742.21-7,113.31-2,635.17

Finding the Fourth Proportional to 4,742.21, 7,113.31 and 2,635.17

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Solution

The fourth proportional to 4,742.21, 7,113.31 and 2,635.17 is: 3,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.21 : 7,113.31 = 2,635.17 : x
  2. Step 2: Convert to fraction form
    4,742.21/7,113.31 = 2,635.17/x
  3. Step 3: Cross multiply
    4,742.21x = 7,113.31 × 2,635.17
  4. Step 4: Simplify right side
    4,742.21x = 18,744,774.52
  5. Step 5: Solve for x
    x = 18,744,774.52/4,742.21
  6. Step 6: Final answer
    x = 3,952.76

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Similar ratio
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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.