Home / 1,519.41-2,096.30-929.54

Finding the Fourth Proportional to 1,519.41, 2,096.30 and 929.54

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Solution

The fourth proportional to 1,519.41, 2,096.30 and 929.54 is: 1,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.41 : 2,096.30 = 929.54 : x
  2. Step 2: Convert to fraction form
    1,519.41/2,096.30 = 929.54/x
  3. Step 3: Cross multiply
    1,519.41x = 2,096.30 × 929.54
  4. Step 4: Simplify right side
    1,519.41x = 1,948,579.57
  5. Step 5: Solve for x
    x = 1,948,579.57/1,519.41
  6. Step 6: Final answer
    x = 1,282.46

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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.