Home / 4,521.45-6,780.05-1,749.43

Finding the Fourth Proportional to 4,521.45, 6,780.05 and 1,749.43

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Solution

The fourth proportional to 4,521.45, 6,780.05 and 1,749.43 is: 2,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.45 : 6,780.05 = 1,749.43 : x
  2. Step 2: Convert to fraction form
    4,521.45/6,780.05 = 1,749.43/x
  3. Step 3: Cross multiply
    4,521.45x = 6,780.05 × 1,749.43
  4. Step 4: Simplify right side
    4,521.45x = 11,861,222.87
  5. Step 5: Solve for x
    x = 11,861,222.87/4,521.45
  6. Step 6: Final answer
    x = 2,623.32

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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.