Home / 2,351.90-3,510.77-2,245.30

Finding the Fourth Proportional to 2,351.90, 3,510.77 and 2,245.30

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Solution

The fourth proportional to 2,351.90, 3,510.77 and 2,245.30 is: 3,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.90 : 3,510.77 = 2,245.30 : x
  2. Step 2: Convert to fraction form
    2,351.90/3,510.77 = 2,245.30/x
  3. Step 3: Cross multiply
    2,351.90x = 3,510.77 × 2,245.30
  4. Step 4: Simplify right side
    2,351.90x = 7,882,711.88
  5. Step 5: Solve for x
    x = 7,882,711.88/2,351.90
  6. Step 6: Final answer
    x = 3,351.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.