Home / 4,910.70-7,357.05-2,307.90

Finding the Fourth Proportional to 4,910.70, 7,357.05 and 2,307.90

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Solution

The fourth proportional to 4,910.70, 7,357.05 and 2,307.90 is: 3,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.70 : 7,357.05 = 2,307.90 : x
  2. Step 2: Convert to fraction form
    4,910.70/7,357.05 = 2,307.90/x
  3. Step 3: Cross multiply
    4,910.70x = 7,357.05 × 2,307.90
  4. Step 4: Simplify right side
    4,910.70x = 16,979,335.70
  5. Step 5: Solve for x
    x = 16,979,335.70/4,910.70
  6. Step 6: Final answer
    x = 3,457.62

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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.