Home / 4,910.70-7,366.05-3,240.30

Finding the Fourth Proportional to 4,910.70, 7,366.05 and 3,240.30

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Solution

The fourth proportional to 4,910.70, 7,366.05 and 3,240.30 is: 4,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.70 : 7,366.05 = 3,240.30 : x
  2. Step 2: Convert to fraction form
    4,910.70/7,366.05 = 3,240.30/x
  3. Step 3: Cross multiply
    4,910.70x = 7,366.05 × 3,240.30
  4. Step 4: Simplify right side
    4,910.70x = 23,868,211.82
  5. Step 5: Solve for x
    x = 23,868,211.82/4,910.70
  6. Step 6: Final answer
    x = 4,860.45

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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.