Home / 3,440.53-4,748.03-1,868.73

Finding the Fourth Proportional to 3,440.53, 4,748.03 and 1,868.73

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Solution

The fourth proportional to 3,440.53, 4,748.03 and 1,868.73 is: 2,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.53 : 4,748.03 = 1,868.73 : x
  2. Step 2: Convert to fraction form
    3,440.53/4,748.03 = 1,868.73/x
  3. Step 3: Cross multiply
    3,440.53x = 4,748.03 × 1,868.73
  4. Step 4: Simplify right side
    3,440.53x = 8,872,776.47
  5. Step 5: Solve for x
    x = 8,872,776.47/3,440.53
  6. Step 6: Final answer
    x = 2,578.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.