Home / 3,123.53-4,310.63-1,797.43

Finding the Fourth Proportional to 3,123.53, 4,310.63 and 1,797.43

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Solution

The fourth proportional to 3,123.53, 4,310.63 and 1,797.43 is: 2,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.53 : 4,310.63 = 1,797.43 : x
  2. Step 2: Convert to fraction form
    3,123.53/4,310.63 = 1,797.43/x
  3. Step 3: Cross multiply
    3,123.53x = 4,310.63 × 1,797.43
  4. Step 4: Simplify right side
    3,123.53x = 7,748,035.92
  5. Step 5: Solve for x
    x = 7,748,035.92/3,123.53
  6. Step 6: Final answer
    x = 2,480.54

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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.