Home / 1,900.14-2,623.38-1,229.10

Finding the Fourth Proportional to 1,900.14, 2,623.38 and 1,229.10

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Solution

The fourth proportional to 1,900.14, 2,623.38 and 1,229.10 is: 1,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.14 : 2,623.38 = 1,229.10 : x
  2. Step 2: Convert to fraction form
    1,900.14/2,623.38 = 1,229.10/x
  3. Step 3: Cross multiply
    1,900.14x = 2,623.38 × 1,229.10
  4. Step 4: Simplify right side
    1,900.14x = 3,224,396.36
  5. Step 5: Solve for x
    x = 3,224,396.36/1,900.14
  6. Step 6: Final answer
    x = 1,696.93

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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.