Home / 3,472.89-4,792.41-1,900.68

Finding the Fourth Proportional to 3,472.89, 4,792.41 and 1,900.68

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Solution

The fourth proportional to 3,472.89, 4,792.41 and 1,900.68 is: 2,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.89 : 4,792.41 = 1,900.68 : x
  2. Step 2: Convert to fraction form
    3,472.89/4,792.41 = 1,900.68/x
  3. Step 3: Cross multiply
    3,472.89x = 4,792.41 × 1,900.68
  4. Step 4: Simplify right side
    3,472.89x = 9,108,837.84
  5. Step 5: Solve for x
    x = 9,108,837.84/3,472.89
  6. Step 6: Final answer
    x = 2,622.84

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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.