Home / 4,934.70-7,407.45-2,742.30

Finding the Fourth Proportional to 4,934.70, 7,407.45 and 2,742.30

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Solution

The fourth proportional to 4,934.70, 7,407.45 and 2,742.30 is: 4,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934.70 : 7,407.45 = 2,742.30 : x
  2. Step 2: Convert to fraction form
    4,934.70/7,407.45 = 2,742.30/x
  3. Step 3: Cross multiply
    4,934.70x = 7,407.45 × 2,742.30
  4. Step 4: Simplify right side
    4,934.70x = 20,313,450.14
  5. Step 5: Solve for x
    x = 20,313,450.14/4,934.70
  6. Step 6: Final answer
    x = 4,116.45

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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.